The Story of the Stars: New Descriptive Astronomy |
From inside the book
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Page 25
... earth as a mere speck or point at the center of the Celestial Sphere . Second , that we must neglect the entire diameter of the earth's orbit , so that if we should draw two parallel lines , one from each end of the earth's orbit , to ...
... earth as a mere speck or point at the center of the Celestial Sphere . Second , that we must neglect the entire diameter of the earth's orbit , so that if we should draw two parallel lines , one from each end of the earth's orbit , to ...
Page 29
... earth . R. A. is never measured westward .. The starting point is the meridian passing through the vernal equinox ... Earth's Equator to its orbit , and is called the obliquity of the ecliptic . ( See p . 58. ) The inclination of the ...
... earth . R. A. is never measured westward .. The starting point is the meridian passing through the vernal equinox ... Earth's Equator to its orbit , and is called the obliquity of the ecliptic . ( See p . 58. ) The inclination of the ...
Page 30
... earth's orbit meets the Celestial Sphere . THE EQUINOXES are the points where the ecliptic intersects the equinoctial . The place where the sun crosses the equinoctial † in going north , which occurs about the 21st of March , is called ...
... earth's orbit meets the Celestial Sphere . THE EQUINOXES are the points where the ecliptic intersects the equinoctial . The place where the sun crosses the equinoctial † in going north , which occurs about the 21st of March , is called ...
Page 36
... orbit ; then , accompanying these , the satellites , each revolving about its own planet , while all whirl in a ... earth's orbit is elliptical , and the sun is situated at one of its foci , the earth is 3,000,000 miles further from the ...
... orbit ; then , accompanying these , the satellites , each revolving about its own planet , while all whirl in a ... earth's orbit is elliptical , and the sun is situated at one of its foci , the earth is 3,000,000 miles further from the ...
Page 56
... orbits are more or less inclined to the ecliptic , and intersect it in two points - the nodes , - one - half of the orbit lying north , and the other south of the earth's path . 4. They are opaque bodies , and shine by reflecting the ...
... orbits are more or less inclined to the ecliptic , and intersect it in two points - the nodes , - one - half of the orbit lying north , and the other south of the earth's path . 4. They are opaque bodies , and shine by reflecting the ...
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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.