Fourteen Weeks in Descriptive Astronomy |
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Page 20
... pass on again in a course directly opposite . At one time she would recede from the sun more and more slowly and coyly , until she would appear to be entirely station- ary ; then she would retrace her steps , and seem to meet the sun ...
... pass on again in a course directly opposite . At one time she would recede from the sun more and more slowly and coyly , until she would appear to be entirely station- ary ; then she would retrace her steps , and seem to meet the sun ...
Page 28
... PASSES OVER EQUAL SPACES IN EQUAL TIMES . Third Law . - Kepler , not satisfied with the dis- covery of these laws , now determined to ascertain if there were not some relation existing between the times of the revolution of the planets ...
... PASSES OVER EQUAL SPACES IN EQUAL TIMES . Third Law . - Kepler , not satisfied with the dis- covery of these laws , now determined to ascertain if there were not some relation existing between the times of the revolution of the planets ...
Page 32
... pass through straight , and not circular orbits . What causes the curve ? Obviously another force . For example : I throw a stone into the air . It moves not in a straight line , but in a curve , because the earth constantly bends it ...
... pass through straight , and not circular orbits . What causes the curve ? Obviously another force . For example : I throw a stone into the air . It moves not in a straight line , but in a curve , because the earth constantly bends it ...
Page 34
... EVERY OTHER PARTICLE OF MATTER WITH A FORCE DIRECTLY PROPORTIONAL TO ITS QUANTITY OF MATTER , AND DECREASING AS THE SQUARE OF THE DIS- TANCE INCREASES . SPACE . We now in imagination pass into space , 34 INTRODUCTION .
... EVERY OTHER PARTICLE OF MATTER WITH A FORCE DIRECTLY PROPORTIONAL TO ITS QUANTITY OF MATTER , AND DECREASING AS THE SQUARE OF THE DIS- TANCE INCREASES . SPACE . We now in imagination pass into space , 34 INTRODUCTION .
Page 35
Joel Dorman Steele. SPACE . We now in imagination pass into space , which stretches out in every direction without bounds or measures . We look up to the heavens and try to locate some object among the mazes of the stars . We are ...
Joel Dorman Steele. SPACE . We now in imagination pass into space , which stretches out in every direction without bounds or measures . We look up to the heavens and try to locate some object among the mazes of the stars . We are ...
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Common terms and phrases
ancients Andromeda angle aphelion appear Aries astronomers atmosphere axis Boötes bright brilliant Canis Minor Capricornus Cassiopeia cause Celestial Sphere centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavenly bodies heavens Hercules Herschel horizon inclined inferior conjunction inferior planet Jupiter latitude length light luminous lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon's motion move naked eye nearly nebula Neptune night node north pole Orion parallax pass path penumbra perihelion Perseus Pisces polar Polaris precession rays revolve ring rising Saturn seasons seen shine side sidereal sidereal day solar day solar system solstice space spots summer sun's surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible winter Zodiac