Fourteen Weeks in Descriptive Astronomy |
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Page 237
... Ursa Minor . Ursa Minor is represented under the figure of a small bear . It contains twenty - four stars , of which only three are of the third , and four of the fourth magnitude . Principal stars . - A cluster of seven stars forms ...
... Ursa Minor . Ursa Minor is represented under the figure of a small bear . It contains twenty - four stars , of which only three are of the third , and four of the fourth magnitude . Principal stars . - A cluster of seven stars forms ...
Page 239
... Ursa Major and Ursa Minor , nearly encircling the latter constellation , and finally reaching out its head almost to the body of Hercules . Principal stars . - Four small stars form a quad- rilateral figure at the head ; a fifth of the ...
... Ursa Major and Ursa Minor , nearly encircling the latter constellation , and finally reaching out its head almost to the body of Hercules . Principal stars . - Four small stars form a quad- rilateral figure at the head ; a fifth of the ...
Page 332
... Ursa Major is above and to the east of Polaris ; opposite and to the west is ... Minor . In the Southwest , Sirius and Orion . North of the Ecliptic , and in ... Ursa Major is above Polaris , Ursa Minor and Draco east , Cepheus and ...
... Ursa Major is above and to the east of Polaris ; opposite and to the west is ... Minor . In the Southwest , Sirius and Orion . North of the Ecliptic , and in ... Ursa Major is above Polaris , Ursa Minor and Draco east , Cepheus and ...
Page 333
... Ursa Minor are above Polaris , Cepheus above and to the east , Cassiopeia east , and Ursa Major west . In the Northeast , Perseus is just rising , while south of it Andromeda and Pegasus are fairly up . Along the Ecliptic , Aquarius is ...
... Ursa Minor are above Polaris , Cepheus above and to the east , Cassiopeia east , and Ursa Major west . In the Northeast , Perseus is just rising , while south of it Andromeda and Pegasus are fairly up . Along the Ecliptic , Aquarius is ...
Page 336
... Ursa Major . • 76 66 Minor .. Refraction 130 Vega Retrograde motion . • • .77 , 79 Venus Regulus 253 Vertical Circle .. Right ascension .. 39 Velocity of Light . Virgo ... Saros ... 160 Vulcan .. • Saturn . 182 Whale Sagittarius . 261 ...
... Ursa Major . • 76 66 Minor .. Refraction 130 Vega Retrograde motion . • • .77 , 79 Venus Regulus 253 Vertical Circle .. Right ascension .. 39 Velocity of Light . Virgo ... Saros ... 160 Vulcan .. • Saturn . 182 Whale Sagittarius . 261 ...
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Common terms and phrases
ancients Andromeda angle aphelion appearance Aries astronomer atmosphere axis beautiful Boötes bright brilliant Canis Minor Capricornus Cassiopeia celestial centre Cepheus circle color comet constellation Cor Caroli dark density Describe diameter disk double stars earth east ecliptic equal equator equinoctial figure fixed stars globe heat heavens Hercules Herschel horizon inferior inferior conjunction inferior planet Jupiter latitude length light longitude luminous lunar Lyra Mars mean distance measured Mercury meridian meteors miles moon moon's motion move Mythological naked eye named nebula Neptune night node north pole orbit Orion pass path perihelion Perseus Pisces planet Polaris rays revolve ring Saturn seasons seen shine sidereal sidereal day Sirius small stars solar day solar system solstice space sphere spots summer sun's surface synodic revolution tail tance Taurus telescope theory tion triangle Uranus Ursa Major Ursa Minor vary velocity Venus vernal equinox visible winter zodiac
Popular passages
Page 6 - One God, one law, one element, And one far-off divine event, To which the whole creation moves.
Page 129 - ... while the Earth remaineth seed-time and harvest, and cold and heat, and summer and winter, and day and night shall not cease.
Page 251 - Back comes the Chief in triumph. Who, in the hour of fight, Hath seen the Great Twin Brethren In harness on his right. Safe comes the ship to haven, Through billows and through gales, If once the Great Twin Brethren Sit shining on the sails.
Page 289 - A solar day is the interval between two successive passages of the sun across the meridian of any place.
Page 192 - We see it as Columbus saw America from the shores of Spain. Its movements have been felt, trembling along the far-reaching line of our analysis, with a certainty hardly inferior to that of ocular demonstration.
Page 29 - If you forgive me, I rejoice ; if you are angry, I can bear it. The die is cast, the book is written, to be read either now or by posterity, I care not which. It may well wait a century for a reader, as God has waited six thousand years for an observer.
Page 251 - Orion is represented under the figure of a hunter assaulting Taurus. He has a sword in his belt, a club in his right hand, and the skin of a lion in his left.
Page 31 - Nature, such as the seven metals, &,c., which it were tedious to enumerate, we gather that the number of planets is necessarily seven. Moreover, the satellites are invisible to the naked eye, and therefore can exercise no influence over the earth, and therefore would be useless, and therefore do not exist.
Page 119 - ... of September. On this day it slowly sweeps around the sky, with its face half hidden below the icy sea. It still continues to descend ; and, after it has entirely disappeared, it is still so near the horizon that it carries a bright twilight around the heavens in its daily circuit. As the sun sinks lower and lower, this twilight grows gradually fainter till it fades away.
Page 99 - Sadler, the celebrated aeronaut, ascended on one occasion in a balloon from Dublin, and was wafted across the Irish Channel, when, on his approach to the Welsh coast, the balloon descended nearly to the surface of the sea. By this time the sun was set, and the shades of evening began to close in. He threw out nearly all his ballast, and suddenly sprang upward to a great height, and by so doing brought his horizon to dip below the sun, producing the whole phenomenon of a western sunrise. Subsequently...