The Story of the Stars: New Descriptive Astronomy |
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Page 62
... of our pounds would weigh over 27 pounds ; on our moon , the pound weight would be- come only about two ounces ; while on Vesta ,. Size of the Sun as seen from the Planets . Conjunctions of Inferior Planet . 62 THE SOLAR SYSTEM .
... of our pounds would weigh over 27 pounds ; on our moon , the pound weight would be- come only about two ounces ; while on Vesta ,. Size of the Sun as seen from the Planets . Conjunctions of Inferior Planet . 62 THE SOLAR SYSTEM .
Page 64
... planet , as seen from the center of the sun , is called its heliocentric place ; as seen from the center of the earth , its geo- centric place . When Venus is at inferior conjunc- tion , an observer at the sun would see it in the oppo ...
... planet , as seen from the center of the sun , is called its heliocentric place ; as seen from the center of the earth , its geo- centric place . When Venus is at inferior conjunc- tion , an observer at the sun would see it in the oppo ...
Page 65
... . RETROGRADE MOTION OF AN INFERIOR PLANET.- Suppose the earth at A ( Fig . 26 ) , and the planet at B. Now , while the earth is passing to F ,. Conjunctions of Inferior Planet . Orbit and Seasons of Mercury . THE PLANETS . 65.
... . RETROGRADE MOTION OF AN INFERIOR PLANET.- Suppose the earth at A ( Fig . 26 ) , and the planet at B. Now , while the earth is passing to F ,. Conjunctions of Inferior Planet . Orbit and Seasons of Mercury . THE PLANETS . 65.
Page 66
... planet will pass to D , -the arc AF being shorter than BD , be- cause the nearer a planet is to the sun the greater ... INFERIOR PLANET . - An inferior planet presents all the phases of the moon . At supe- rior conjunction , the whole ...
... planet will pass to D , -the arc AF being shorter than BD , be- cause the nearer a planet is to the sun the greater ... INFERIOR PLANET . - An inferior planet presents all the phases of the moon . At supe- rior conjunction , the whole ...
Page 67
... inferior conjunction , at which time the un- illumined side is toward us . Fig . 27 . E S W Phases of an Inferior Planet . Motions of a Superior Planet . - The superior planet moves in an orbit which entirely surrounds that of the earth ...
... inferior conjunction , at which time the un- illumined side is toward us . Fig . 27 . E S W Phases of an Inferior Planet . Motions of a Superior Planet . - The superior planet moves in an orbit which entirely surrounds that of the earth ...
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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.