The Story of the Stars: New Descriptive Astronomy |
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Page 27
... Equator , or the earth's equator ex- tended to the Celestial Sphere . At all places between the equator and the pole , the celestial equator is in- clined to the horizon at an angle equal to the dis- tance of the zenith of the place ...
... Equator , or the earth's equator ex- tended to the Celestial Sphere . At all places between the equator and the pole , the celestial equator is in- clined to the horizon at an angle equal to the dis- tance of the zenith of the place ...
Page 29
... Equator to its orbit , and is called the obliquity of the ecliptic . ( See p . 58. ) The inclination of the ecliptic to the horizon , unlike that of the equinoctial , varies at different times of the year . The angle that the ecliptic ...
... Equator to its orbit , and is called the obliquity of the ecliptic . ( See p . 58. ) The inclination of the ecliptic to the horizon , unlike that of the equinoctial , varies at different times of the year . The angle that the ecliptic ...
Page 30
... Equator ; or they may be considered to mark the sun's furthest declination north and south of the equinoctial . The Summer Solstice occurs about the * In the former instance , the angle is equal to the co - latitude , plus 231 ° ( the ...
... Equator ; or they may be considered to mark the sun's furthest declination north and south of the equinoctial . The Summer Solstice occurs about the * In the former instance , the angle is equal to the co - latitude , plus 231 ° ( the ...
Page 32
... equator ? 7. What is the co - latitude of a place ? 8. What is the declination of the zenith of the place in which you reside ? 9. Why are the stars generally invisible by day ? 10. Why is the ecliptic so called ? 11. Who first taught ...
... equator ? 7. What is the co - latitude of a place ? 8. What is the declination of the zenith of the place in which you reside ? 9. Why are the stars generally invisible by day ? 10. Why is the ecliptic so called ? 11. Who first taught ...
Page 40
... equator 150 lbs . , at the sun's equator would weigh about two tons , -a force of attraction that would in- stantly crush him . At the earth's equator , a stone falls 16 feet the first second ; at the sun's equator , it would fall 444 ...
... equator 150 lbs . , at the sun's equator would weigh about two tons , -a force of attraction that would in- stantly crush him . At the earth's equator , a stone falls 16 feet the first second ; at the sun's equator , it would fall 444 ...
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Common terms and phrases
ancients Andromeda angle aphelion appearance Aries astronomers atmosphere autumnal equinox axis Boötes bright brilliant Canis Minor Capricornus Cassiopeia cause Celestial Sphere Cepheus circle color comet conjunction constellation Cor Caroli dark Describe diameter disk distance earth earth's orbit east ecliptic equal equator equinoctial fixed stars globe heat heavenly bodies heavens Hercules horizon inferior conjunction inferior planet Jupiter latitude length Libra light longitude lunar Lyra magnitude Mars mean measured Mercury meridian meteors moon moon's motion move MYTHOLOGICAL naked eye nearly nebula Neptune night node north pole observations Orion parallax pass path perihelion Perseus polar Polaris precession rays revolve rings rising rotation satellites Saturn seasons seen shine sidereal Sirius solar day solar system space spectrum spots sun's surface synodic revolution tail Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible zenith Zodiac
Popular passages
Page 112 - While the earth remaineth, seedtime and harvest, and cold and heat, and summer and winter, and day and night shall not cease.
Page 19 - 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 229 - 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 258 - That nothing walks with aimless feet ; That not one life shall be destroyed, Or cast as rubbish to the void, When God hath made the pile complete...
Page vii - God, That God, which ever lives and loves, One God, one law, one element, And one far-off divine event, To which the whole creation moves.
Page 266 - A solar day is the interval between two successive passages of the sun across the meridian of any place. If the earth were stationary in its orbit, the solar day would be of the same length as the sidereal ; but while the earth is turning around on its axis, it is going forward at the rate a'i 360° in a year, or about 1° per day.
Page 24 - Every particle of matter in the universe attracts every other particle of matter with a force directly proportional to the product of their masses, and decreasing as the square of the distance between them increases.
Page 218 - Her nails are sharpen'd into pointed claws, Her hands bear half her weight, and turn to paws ; Her lips, that once could tempt a god, begin To grow distorted in an ugly grin. And...
Page 297 - The Ram, the Bull, the heavenly Twins, And next the Crab the Lion shines, The Virgin and the Scales ; The Scorpion, Archer, and He-goat, The Man that holds the watering-pot, And Fish with glittering tails.
Page 117 - Were it not for the reflective and scattering power of the atmosphere, no objects would be visible to us out of direct sunshine; every shadow of a passing cloud would be pitchy darkness ; the stars would be visible all day, and every apartment, into which the sun had not direct admission, would be involved in nocturnal obscurity.