The Story of the Stars: New Descriptive Astronomy |
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Page 6
... length of time in which eclipses of the sun and the moon repeat themselves in the same order . The Grecians . - Though the Asiatics were patient observers , they did not classify their knowledge , and lay the basis of a science . This ...
... length of time in which eclipses of the sun and the moon repeat themselves in the same order . The Grecians . - Though the Asiatics were patient observers , they did not classify their knowledge , and lay the basis of a science . This ...
Page 8
... length of the year to within six min- utes , discovered the precession of the equinoxes , and made the first catalogue of the stars - 1080 in number . The Egyptians . - Egypt , as well as Chaldea , was noted for its knowledge of the ...
... length of the year to within six min- utes , discovered the precession of the equinoxes , and made the first catalogue of the stars - 1080 in number . The Egyptians . - Egypt , as well as Chaldea , was noted for its knowledge of the ...
Page 16
... will mark a curve , flattened in proportion to the length of the string , the longer the string , the nearer a circle will the figure become . This figure is the ellipse . The two points F F are called the foci ( 16 THE HISTORY .
... will mark a curve , flattened in proportion to the length of the string , the longer the string , the nearer a circle will the figure become . This figure is the ellipse . The two points F F are called the foci ( 16 THE HISTORY .
Page 23
... length , while in London , he learned of a new and more accurate measurement of the distance from the cir- cumference to the center of the earth . He hastened home , inserted this new value in his calculations , and soon found that the ...
... length , while in London , he learned of a new and more accurate measurement of the distance from the cir- cumference to the center of the earth . He hastened home , inserted this new value in his calculations , and soon found that the ...
Page 42
... length of the straggling group being generally par- allel to the equator . SIZE OF THE SPOTS . — It is not uncommon to find a spot with a surface larger than that of the earth . Schröter measured one more than 29,000 miles in diameter ...
... length of the straggling group being generally par- allel to the equator . SIZE OF THE SPOTS . — It is not uncommon to find a spot with a surface larger than that of the earth . Schröter measured one more than 29,000 miles in diameter ...
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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 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 superior planet surface tail Taurus telescope theory tide tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible zenith Zodiac zone
Popular passages
Page 227 - 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 112 - While the earth remaineth, seedtime and harvest, and cold and heat, and summer and winter, and day and night shall not cease.
Page 257 - 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 295 - 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 216 - 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 284 - I had a dream, which was not all a dream. The bright sun was extinguished, and the stars Did wander darkling in the eternal space, Rayless, and pathless, and the icy Earth Swung blind and blackening in the moonless air...
Page 264 - A solar day is the interval between two successive passages of the sun across the meridian of any place.
Page 24 - Law of gravitation: Every particle of matter in the universe attracts every other particle with a force varying directly as the product of their masses and inversely as the square of the distance between them.
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.