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Curiosities of the Sky
Curiosities of the Sky

Chapter I · Chapter 1

Chapter 1 of Curiosities of the Sky is here in full — 412 sentences across 83 reading sections, with audio for every sentence and word.

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Context Illustration Reading 1/82 · 5 lines
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Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The Great Dipper Cassiopeia The Northern Crown The Southern Cross Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar prominence Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels comet Brooks comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.
It is not the mathematics of astronomy, but the wonder and the mystery that seize upon the imagination.
The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.
The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.
Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.
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LEARNER DICTIONARY
Archivist
/ˈɑːrkɪvɪst/
Editorial verification pending

A keeper or guardian of historical records and memories.

Curiosities of the Sky

Chapter I · Chapter 1

Chapter 1 of Curiosities of the Sky is here in full — 412 sentences across 83 reading sections, with audio for every sentence and word.

Reading 1/82 · 5 reading units · Lines 1–5

Line 1
Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades TheGreat DipperCassiopeia TheNorthern CrownTheSouthern CrossChart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solarprominenceAuroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Danielscomet Brookscomet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.
Line 2
It is not the mathematics of astronomy, but the wonder and the mystery that seize upon the imagination.
/ɪt ɪz nɑːt ðə ˌmæθəˈmætɪks ʌv əˈstrɑːnəmi bʌt ðə ˈwʌndər ənd ðə ˈmɪstəri ðæt siːz əˈpɑːn ðə ˌɪmædʒəˈneɪʃən/
Line 3
The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.
Line 4
The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.
/ðə dəˈmɪnjən wɪtʃ əˈstrɑːnəmi hæz ˈɔːlweɪz held ˈoʊvər ðə maɪndz ʌv men ɪz əˈkɪn tuː ðæt ʌv ˈpoʊətri wen ðə ˈfɔːrmər bɪˈkʌmz ˈmɪrli ˌɪnˈstrʌktɪv ənd ðə ˈlætər ˈpjʊrli daɪˈdæktɪk boʊθ luːz ðer ˈpaʊər ˈoʊvər ðə ˌɪmædʒəˈneɪʃən/
Line 5
Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

Learner Dictionary

These definitions explain words found in the current reading and keep every example grounded in its original sentence.

Oxford-style entry order: headword, part of speech, US IPA, concise definition, contextual example, and audio.

arcana noun US /ɑːrˈkænə/

plural of “arcanum” — information known only to a special group

From this reading “Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.”

Auroral adjective US /ərˈɔːrəl/

of or relating to the atmospheric phenomenon auroras

From this reading “Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.”

Cassiopeia noun US /ˌkʌsiəˈpiːə/

(Greek mythology) the wife of Cepheus and mother of Andromeda

From this reading “Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.”

Cetus noun US /ˈsiːtəs/

a large constellation on the equator near Pisces and Aquarius

From this reading “Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.”

meteorite noun US /ˈmiːtiɔːraɪt/

stony or metallic object that is the remains of a meteoroid that has reached the earth's surface

From this reading “Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.”

nebula noun US /ˈnebjələ/

a medicinal liquid preparation intended for use in an atomizer

From this reading “Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.”

Omega noun US /oʊˈmeɡə/

the ending of a series or sequence

From this reading “Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.”

Scandinavia noun US /ˌskændɪˈneɪviə/

the peninsula in northern Europe occupied by Norway and Sweden

From this reading “Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.”

All words in this reading · 182

Every word in these five lines is listed here, and every one of them can be played on its own.

Dictionary details are shown only when verified; these are not licensed Oxford entries.

100

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

1572

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

1901

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

AdeterminerUS /ə/

used before a singular noun to mean one of a group, when it is not a particular one

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

acrossprepositionUS /əˈkrɔːs/

from one side of something to the other

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

akinadjectiveUS /əˈkɪn/

similar in quality or character

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

alladjectiveUS /ɔːl/

(quantifier) used with either mass or count nouns to indicate the whole number or amount of or every one of a class

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

alsoadverbUS /ˈɔːlsoʊ/

in addition

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

alwaysadverbUS /ˈɔːlweɪz/

at all times; all the time and on every occasion

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

andeterminerUS /æn/

the form of “a” used before a word that begins with a vowel sound

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

andconjunctionUS /ənd/

used to join words or parts of a sentence that go together

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

AndromedanounUS /ænˈdrɑːmədə/

broad-leaved evergreen Asiatic shrub with glossy leaves and drooping clusters of white flowers

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

arcananounUS /ɑːrˈkænə/

plural of “arcanum” — information known only to a special group

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

archesnounUS /ˈɑːrtʃəz/

plural of “arch” — a curved shape in the vertical plane that spans an opening

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

ArcticnounUS /ˈɑːrktɪk/

the regions to the north of the Arctic Circle centered on the North Pole

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

asconjunctionUS /æz/

at the same time that; because; in the way that

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

astronomynounUS /əˈstrɑːnəmi/

the branch of physics that studies celestial bodies and the universe as a whole

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

atmospherenounUS /ˈætməsfɪr/

a particular environment or surrounding influence

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

AuroraladjectiveUS /ərˈɔːrəl/

of or relating to the atmospheric phenomenon auroras

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

beauxiliary verbUS /biː/

used with a past participle to form the passive, or with -ing for continuous tenses

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

beamsnounUS /biːmz/

plural of “beam” — a signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

becauseconjunctionUS /bɪˈkɔːz/

for the reason that

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

becomesverbUS /bɪˈkʌmz/

third-person singular of “become” — enter or assume a certain state or condition

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

beenauxiliary verbUS /bɪn/

the past participle of “be”

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

bothdeterminerUS /boʊθ/

the two together, not just one

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

BrooksnounUS /brʊks/

United States literary critic and historian (1886-1963)

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

butconjunctionUS /bʌt/

used to introduce something that contrasts with what came before

From this reading It is not the mathematics of astronomy, but the wonder and the mystery that seize upon the imagination.

ButtenounUS /bjuːt/

a hill that rises abruptly from the surrounding region; has a flat top and sloping sides

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

calculationnounUS /ˌkælkjəˈleɪʃən/

the procedure of calculating; determining something by mathematical or logical methods

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

canalsnounUS /kəˈnælz/

plural of “canal” — (astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

CassiopeianounUS /ˌkʌsiəˈpiːə/

(Greek mythology) the wife of Cepheus and mother of Andromeda

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Centauri

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

CetusnounUS /ˈsiːtəs/

a large constellation on the equator near Pisces and Aquarius

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

ChartnounUS /tʃɑːrt/

a visual display of information

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Clavius

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

cometnounUS /ˈkɑːmət/

(astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

CoonnounUS /kuːn/

an eccentric or undignified rustic

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

CoronanounUS /kərˈoʊnə/

the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

craternounUS /ˈkreɪtər/

a bowl-shaped geological formation at the top of a volcano

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

cratersnounUS /ˈkreɪtərz/

plural of “crater” — a bowl-shaped geological formation at the top of a volcano

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Crisium

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

CrossverbUS /krɔːs/

travel across or pass over

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

CrownnounUS /kraʊn/

the Crown (or the reigning monarch) as the symbol of the power and authority of a monarchy

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

CuriousadjectiveUS /ˈkjʊriəs/

beyond or deviating from the usual or expected

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

curtainnounUS /ˈkɜːrtən/

hanging cloth used as a blind (especially for a window)

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

DanielsnounUS /ˈdænjəlz/

plural of “daniel” — (Old Testament) a youth who was taken into the court of Nebuchadnezzar and given divine protection when thrown into a den of lions (6th century BC)

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

datanounUS /ˈdeɪtə/

a collection of facts from which conclusions may be drawn

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

didacticadjectiveUS /daɪˈdæktɪk/

instructive (especially excessively)

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

DippernounUS /ˈdɪpər/

a ladle that has a cup with a long handle

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

dominionnounUS /dəˈmɪnjən/

dominance or power through legal authority

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

eclipseverbUS /ɪˈklɪps/

be greater in significance than

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

effortnounUS /ˈefərt/

earnest and conscientious activity intended to do or accomplish something

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

eliptic

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

EnglandnounUS /ˈɪŋɡlənd/

a division of the United Kingdom

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

etc

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

explanationnounUS /ˌekspləˈneɪʃən/

a statement that makes something comprehensible by describing the relevant structure or operation or circumstances etc.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

flightnounUS /flaɪt/

a formation of aircraft in flight

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

formnounUS /fɔːrm/

the phonological or orthographic sound or appearance of a word that can be used to describe or identify something

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

formeradjectiveUS /ˈfɔːrmər/

referring to the first of two things or persons mentioned (or the earlier one or ones of several)

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

formsnounUS /fɔːrmz/

plural of “form” — the phonological or orthographic sound or appearance of a word that can be used to describe or identify something

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

fromprepositionUS /frʌm/

showing where something starts, or who sent it

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Froude

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

GreatadjectiveUS /ɡreɪt/

relatively large in size or number or extent; larger than others of its kind

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

hasauxiliary verbUS /hæz/

the form of “have” used with he, she, it, or a singular noun

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

haveauxiliary verbUS /hæv/

used with a past participle to form the perfect tenses

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

heldadjectiveUS /held/

occupied or in the control of; often used in combination

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

HerculesnounUS /ˈhɜːrkjəliːz/

(classical mythology) a hero noted for his strength; performed 12 immense labors to gain immortality

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

historynounUS /ˈhɪstəri/

the aggregate of past events

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

imaginationnounUS /ˌɪmædʒəˈneɪʃən/

the formation of a mental image of something that is not perceived as real and is not present to the senses

From this reading It is not the mathematics of astronomy, but the wonder and the mystery that seize upon the imagination.

impressiveadjectiveUS /ˌɪmˈpresɪv/

making a strong or vivid impression

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

inprepositionUS /ɪn/

inside something, or within a place, period, or state

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

instructiveadjectiveUS /ˌɪnˈstrʌktɪv/

serving to instruct or enlighten or inform

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

isauxiliary verbUS /ɪz/

the form of “be” used with he, she, it, or a singular noun

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

itpronounUS /ɪt/

a thing, animal, or idea already mentioned

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

itsdeterminerUS /ɪts/

belonging to the thing or animal already mentioned

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

itselfpronounUS /ˌɪtˈself/

used when the thing doing the action is also its object

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

kilometersnounUS /kəˈlɑːmʌtərz/

plural of “kilometer” — a metric unit of length equal to 1000 meters (or 0.621371 miles)

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

knownadjectiveUS /noʊn/

apprehended with certainty

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

latteradjectiveUS /ˈlætər/

referring to the second of two things or persons mentioned (or the last one or ones of several)

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

locationnounUS /loʊˈkeɪʃən/

a point or extent in space

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

longest-lived

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

Longomontanus

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

LookingnounUS /ˈlʊkɪŋ/

the act of directing the eyes toward something and perceiving it visually

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

LordnounUS /lɔːrd/

terms referring to the Judeo-Christian God

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

loseverbUS /luːz/

fail to keep or to maintain; cease to have, either physically or in an abstract sense

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

LunaradjectiveUS /ˈluːnər/

of or relating to or associated with the moon

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

MajoradjectiveUS /ˈmeɪdʒər/

of greater importance or stature or rank

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

MarenounUS /mer/

female equine animal

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

MarsnounUS /mɑːrz/

a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye; minerals rich in iron cover its surface and are responsible for its characteristic color

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

mathematicsnounUS /ˌmæθəˈmætɪks/

a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement

From this reading It is not the mathematics of astronomy, but the wonder and the mystery that seize upon the imagination.

mennounUS /men/

the force of workers available

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

mentaladjectiveUS /ˈmentəl/

involving the mind or an intellectual process

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

merelyadverbUS /ˈmɪrli/

and nothing more

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

meteornounUS /ˈmiːtiər/

(astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

meteoritenounUS /ˈmiːtiɔːraɪt/

stony or metallic object that is the remains of a meteoroid that has reached the earth's surface

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

MilkyadjectiveUS /ˈmɪlki/

resembling milk in color; not clear

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

mindsnounUS /maɪndz/

plural of “mind” — that which is responsible for one's thoughts, feelings, and conscious brain functions; the seat of the faculty of reason

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

moreadjectiveUS /mɔːr/

(comparative of “much” used with mass nouns) a quantifier meaning greater in size or amount or extent or degree

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

mostadverbUS /moʊst/

used to form the superlative

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

mysterynounUS /ˈmɪstəri/

something that baffles understanding and cannot be explained

From this reading It is not the mathematics of astronomy, but the wonder and the mystery that seize upon the imagination.

nebulanounUS /ˈnebjələ/

a medicinal liquid preparation intended for use in an atomizer

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

nebularadjective

of or relating to or resembling a nebula

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

nodeterminerUS /noʊ/

not any; not one

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

NorthernadjectiveUS /ˈnɔːrðərn/

in or characteristic of a region of the United States north of (approximately) the Mason-Dixon line

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

notadverbUS /nɑːt/

used to make a word, phrase, or sentence negative

From this reading It is not the mathematics of astronomy, but the wonder and the mystery that seize upon the imagination.

NovanounUS /ˈnoʊvə/

a star that ejects some of its material in the form of a cloud and becomes more luminous in the process

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

ofprepositionUS /ʌv/

belonging to, or connected with, somebody or something

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

oldestadjectiveUS /ˈoʊldəst/

superlative of “old” — (used especially of persons) having lived for a relatively long time or attained a specific age

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

OmeganounUS /oʊˈmeɡə/

the ending of a series or sequence

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

onprepositionUS /ɑːn/

touching and supported by a surface

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

operationnounUS /ˌɑːpərˈeɪʃən/

the state of being in effect or being operative

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

OrionnounUS /oʊˈraɪən/

(Greek mythology) a giant Boeotian hunter who pursued the Pleiades and was eventually slain by Artemis; was then placed in the sky as a constellation

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

overprepositionUS /ˈoʊvər/

above and across; more than

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

owesverbUS /oʊz/

third-person singular of “owe” — be obliged to pay or repay

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

partnounUS /pɑːrt/

something determined in relation to something that includes it

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

penetratedverbUS /ˈpenətreɪtɪd/

past form of “penetrate” — pass into or through, often by overcoming resistance

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

Persei

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

photographedverbUS /ˈfoʊtəɡræft/

past form of “photograph” — record on photographic film

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

PleiadesnounUS /ˈpliːədiːz/

(Greek mythology) 7 daughters of Atlas and half-sisters of the Hyades; placed among the stars to save them from the pursuit of Orion

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

poetrynounUS /ˈpoʊətri/

literature in metrical form

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

powernounUS /ˈpaʊər/

possession of controlling influence

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

preparationnounUS /ˌprepərˈeɪʃən/

the activity of putting or setting in order in advance of some act or purpose

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

prestigenounUS /preˈstiːʒ/

a high standing achieved through success or influence or wealth etc.

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

prominencenounUS /ˈprɑːmənəns/

the state of being prominent: widely known or eminent

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

purelyadverbUS /ˈpjʊrli/

restricted to something

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

railwaynounUS /ˈreɪlweɪ/

line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

regionnounUS /ˈriːdʒən/

the extended spatial location of something

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

regionsnounUS /ˈriːdʒənz/

plural of “region” — the extended spatial location of something

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

requiresverbUS /riˈkwaɪərz/

third-person singular of “require” — require as useful, just, or proper

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

rimnounUS /rɪm/

the shape of a raised edge of a more or less circular object

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

ringsnounUS /rɪŋz/

gymnastic apparatus consisting of a pair of heavy metal circles (usually covered with leather) suspended by ropes; used for gymnastic exercises

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Rosse's

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

saysnounUS /sez/

plural of “say” — the chance to speak

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

ScandinavianounUS /ˌskændɪˈneɪviə/

the peninsula in northern Europe occupied by Norway and Sweden

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Schiaparelli's

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

sciencesnounUS /ˈsaɪənsəz/

plural of “science” — a particular branch of scientific knowledge

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

SectionnounUS /ˈsekʃən/

a self-contained part of a larger composition (written or musical)

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

seenverbUS /siːn/

inflected form of “see” — perceive by sight or have the power to perceive by sight

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

seizeverbUS /siːz/

take hold of; grab

From this reading It is not the mathematics of astronomy, but the wonder and the mystery that seize upon the imagination.

Serenitatis

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

showingnounUS /ˈʃoʊɪŋ/

the display of a motion picture

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

sidenounUS /saɪd/

a place within a region identified relative to a center or reference location

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

so-calledadjectiveUS /ˈsoʊˈkɔːld/

doubtful or suspect

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

solaradjectiveUS /ˈsoʊlər/

relating to or derived from the sun or utilizing the energies of the sun

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

southnounUS /saʊθ/

the region of the United States lying to the south of the Mason-Dixon line

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

southernadjectiveUS /ˈsʌðərn/

in or characteristic of a region of the United States south of (approximately) the Mason-Dixon line

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

spiralnounUS /ˈspaɪrəl/

a plane curve traced by a point circling about the center but at increasing distances from the center

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

starnounUS /stɑːr/

(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Star-cluster

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

sublimitynoun

nobility in thought or feeling or style

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

surroundingadjectiveUS /sərˈaʊndɪŋ/

closely encircling

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

surroundingsnounUS /sərˈaʊndɪŋz/

the environmental condition

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Swift'snounUS /swɪfts/

possessive form of “swift” — United States meat-packer who began the use of refrigerated railroad cars (1839-1903)

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

systemnounUS /ˈsɪstəm/

instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

thanconjunctionUS /ðæn/

used to introduce the second part of a comparison

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

thatconjunctionUS /ðæt/

used to introduce what somebody said, thought, or felt

From this reading It is not the mathematics of astronomy, but the wonder and the mystery that seize upon the imagination.

ThedeterminerUS /ðə/

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

theirdeterminerUS /ðer/

belonging to the people or things already mentioned

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

Theophilus

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

time-table

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading The calculation of an eclipse owes all its prestige to the sublimity of its data; the operation, in itself, requires no more mental effort than the preparation of a railway time-table.

toparticleUS /tuː/

used before the base form of a verb to make the infinitive

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

TrailnounUS /treɪl/

a track or mark left by something that has passed

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

trainsnounUS /treɪnz/

plural of “train” — public transport provided by a line of railway cars coupled together and drawn by a locomotive

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Tranquilitatis

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

transcendsverbUS /trænˈsendz/

third-person singular of “transcend” — be greater in scope or size than some standard

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

triangulumnoun

a small northern constellation near Perseus between Andromeda and Aries

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

trueadjectiveUS /truː/

consistent with fact or reality; not false

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Tycho

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Tycho's

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

upadjectiveUS /ʌp/

being or moving higher in position or greater in some value; being above a former position or level

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

uponprepositionUS /əˈpɑːn/

a formal word for “on”

From this reading It is not the mathematics of astronomy, but the wonder and the mystery that seize upon the imagination.

Ursa

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

WaynounUS /weɪ/

how something is done or how it happens

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

WesternadjectiveUS /ˈwestərn/

relating to or characteristic of the western parts of the world or the West as opposed to the eastern or oriental parts

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

WhatpronounUS /wʌt/

used to ask for information about something

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

whenconjunctionUS /wen/

at the time that

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

whereconjunctionUS /wer/

in or at the place that

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

whichpronounUS /wɪtʃ/

used to introduce a clause giving more about a thing just mentioned

From this reading The dominion which astronomy has always held over the minds of men is akin to that of poetry; when the former becomes merely instructive and the latter purely didactic, both lose their power over the imagination.

willmodal verbUS /wɪl/

used to talk about the future, or about willingness

From this reading Astronomy is known as the oldest of the sciences, and it will be the longest-lived because it will always have arcana that have not been penetrated.

withprepositionUS /wɪð/

in the company of; together with

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

wondernounUS /ˈwʌndər/

the feeling aroused by something strange and surprising

From this reading It is not the mathematics of astronomy, but the wonder and the mystery that seize upon the imagination.

WonderfuladjectiveUS /ˈwʌndərfəl/

extraordinarily good or great; used especially as intensifiers

From this reading Great spiral nebula in Andromeda The Milky Way Star-cluster in Hercules Great southern star-cluster, Omega Centauri The Pleiades The “Great Dipper” Cassiopeia The “Northern Crown” The “Southern Cross” Chart showing location of Tycho’s star, 1572, and Nova Persei of 1901 Nova Persei, with its nebular rings Lord Rosse’s nebula Wonderful spiral in triangulum Spiral in Ursa Major Nebula in Cetus The Orion nebula The Corona A solar “prominence” Auroral beams seen in England Auroral arches of an eliptic form seen in the Arctic regions Auroral curtain seen in Scandinavia Auroral arches seen in Scandinavia Swift’s comet Daniels’ comet Brooks’ comet Curious forms of meteorite trains Section of the atmosphere up to 100 kilometers A meteor photographed in flight Looking across Coon Butte crater from northern rim Trail on south side, Coon Butte crater The craters Clavius, Longomontanus, Tycho, etc. Western part of the Mare Serenitatis Mare Tranquilitatis and surroundings Lunar craters Theophilus and surrounding region Mare Crisium Schiaparelli’s chart of Mars, showing the so-called system of canals What Froude says of history is true also of astronomy: it is the most impressive where it transcends explanation.

Chapter 1 of Curiosities of the Sky by Garrett Putman Serviss holds 412 sentences, grouped into 83 reading sections of at most 5 sentences. The text is the source edition, unabridged, and the chapter records which sentences cover which part of the work so that nothing is dropped. Every word can be tapped for its pronunciation and dictionary entry.

What does chapter 1 of Curiosities of the Sky contain?

Chapter 1 holds 412 sentences of Curiosities of the Sky, unabridged, divided into 83 reading sections.

This page carries chapter 1 of Curiosities of the Sky by Garrett Putman Serviss exactly as it stands in the source edition, without abridgement. It runs to 412 sentences, grouped into 83 sections of at most 5 sentences so that a reader can take the chapter in steady, finishable pieces. The chapter also stores a coverage record mapping every one of its sentences to a part of the work, which is how the edition demonstrates that no line was dropped.

How do I study chapter 1 of Curiosities of the Sky?

Work through the 83 sections in order, replaying any sentence and tapping unfamiliar words for their entries.

Each of the 83 sections in this chapter is short enough to read once, hear once, and then re-read with the vocabulary in view. Tapping a word plays it alone and opens its dictionary entry with IPA, part of speech and meaning, so the reader is never forced to guess a pronunciation from spelling. Working section by section keeps a long chapter from becoming an undifferentiated wall of text, which is the usual reason a reader abandons a work of this period.

Can chapter 1 be read aloud to me?

Yes — every sentence and every individual word in chapter 1 can be played aloud in United States English.

Audio covers the whole chapter: any sentence can be played, and any single word within it can be played on its own. The voice uses United States English. For a work of this period that matters, because spelling is an unreliable guide to pronunciation for vocabulary that has fallen out of daily use, and a learner who guesses wrong tends to keep the error. Hearing the word in its own sentence, and then alone, settles it.

Questions about reading Curiosities of the Sky

Common questions about reading Curiosities of the Sky by Garrett Putman Serviss on this page, its source edition and its audio.

Is this the complete text of Curiosities of the Sky?

Yes. All 1650 sentences of Project Gutenberg eBook #6630 are kept, with a record of which sentences cover which part.

Which edition of Curiosities of the Sky is used?

Project Gutenberg eBook #6630, unabridged. The Project Gutenberg header, footer and licence are removed.

How long does Curiosities of the Sky take to read?

About 137 minutes of reading across 330 sections of 5 sentences each, at an unhurried pace.

How to read Curiosities of the Sky section by section

How to work through Curiosities of the Sky section by section, using the audio and the tap-to-define vocabulary.

  1. Open a chapter

    Choose one of the 4 chapters of Curiosities of the Sky to begin.

  2. Read one section

    Each section holds 5 sentences; read it once through.

  3. Listen and tap

    Play the section aloud, then tap any unfamiliar word for its entry.

Vocabulary met early in Curiosities of the Sky

Words and structures a reader meets early in Curiosities of the Sky, each tappable for pronunciation and meaning.

Great
A word that appears in the opening chapter of Curiosities of the Sky; the reader can tap it to hear it and see its dictionary entry.
Spiral
A word that appears in the opening chapter of Curiosities of the Sky; the reader can tap it to hear it and see its dictionary entry.
Nebula
A word that appears in the opening chapter of Curiosities of the Sky; the reader can tap it to hear it and see its dictionary entry.
Andromeda
A word that appears in the opening chapter of Curiosities of the Sky; the reader can tap it to hear it and see its dictionary entry.