Fourteen Weeks in Descriptive Astronomy |
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Page 77
... passing to F , the planet will pass to D - the arc AF being shorter than BD , because the nearer a planet is to the sun the greater its velocity . While the planet is at B , we locate it a C on the ecliptic , in Gemini ; but at D , it ...
... passing to F , the planet will pass to D - the arc AF being shorter than BD , because the nearer a planet is to the sun the greater its velocity . While the planet is at B , we locate it a C on the ecliptic , in Gemini ; but at D , it ...
Page 120
... pass through the same circle in the heavens , while the days and nights would be equal the year round . There would be near the equator a fierce torrid heat , while north and south the climate would melt away into temperate spring , and ...
... pass through the same circle in the heavens , while the days and nights would be equal the year round . There would be near the equator a fierce torrid heat , while north and south the climate would melt away into temperate spring , and ...
Page 124
... pass through the curve Hfg , and instead of crossing the ecliptic at E it will cross at g a little sooner than it otherwise would . The same influence , though in a less degree , obtains on the opposite side of the earth . mountain passes ...
... pass through the curve Hfg , and instead of crossing the ecliptic at E it will cross at g a little sooner than it otherwise would . The same influence , though in a less degree , obtains on the opposite side of the earth . mountain passes ...
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Common terms and phrases
ancients angle aphelion appear astronomers atmosphere axis bright brilliant called Capricornus Cassiopeia Celestial Sphere centre circle color comet conjunction constellation Cor Caroli dark density diameter disk earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavenly bodies heavens Hercules Herschel horizon inclined inferior inferior conjunction inferior planet Jupiter latitude length light longitude luminous lunar magnitude Mars mean distance measured Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune night node north pole obliquity observer orbit parallax pass path penumbra perihelion Perseus planet polar position rays revolve Right Ascension ring rotation satellites Saturn seasons seen shadow shine side sidereal sidereal day solar system space spots summer sun's superior planet supposed surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major varies velocity Venus vernal equinox visible zenith zodiac