Fourteen Weeks in Descriptive Astronomy |
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Page 45
... Jupiter , Saturn , Uranus , Neptune . 3. The minor planets , at present ( 1880 ) over two hundred in number . 4. The satellites or moons , twenty in number , which re- volve around the different planets . 5. Meteors and shooting - stars ...
... Jupiter , Saturn , Uranus , Neptune . 3. The minor planets , at present ( 1880 ) over two hundred in number . 4. The satellites or moons , twenty in number , which re- volve around the different planets . 5. Meteors and shooting - stars ...
Page 58
... - pear to be especially sensitive to the approach of Venus , on account of its nearness , and of Jupiter , because of its size . The area of the spots exposed to view from the earth is uniformly greatest when Venus 58 THE SOLAR SYSTEM .
... - pear to be especially sensitive to the approach of Venus , on account of its nearness , and of Jupiter , because of its size . The area of the spots exposed to view from the earth is uniformly greatest when Venus 58 THE SOLAR SYSTEM .
Page 59
... Jupiter are on the side of the sun op- posite to us , the spots are much larger than when Venus alone is in that position . In part explana- tion of this influence of the planets , we may suppose that they , in some manner , modify ...
... Jupiter are on the side of the sun op- posite to us , the spots are much larger than when Venus alone is in that position . In part explana- tion of this influence of the planets , we may suppose that they , in some manner , modify ...
Page 66
... Jupiter . CHARACTERISTICS COMMON TO THE PLANETS . ( Hind . ) -1 . They move in the same invariable direction around the sun ; their course , as viewed from the north side of the ecliptic , being contrary to the motion of the hands of a ...
... Jupiter . CHARACTERISTICS COMMON TO THE PLANETS . ( Hind . ) -1 . They move in the same invariable direction around the sun ; their course , as viewed from the north side of the ecliptic , being contrary to the motion of the hands of a ...
Page 67
... Jupiter , Saturn , Uranus , and Neptune to the exterior group , we shall find that they differ in the following respects : 1. The interior planets , with the exception of the earth , and Mars ( p . 171 ) , are not attended by any ...
... Jupiter , Saturn , Uranus , and Neptune to the exterior group , we shall find that they differ in the following respects : 1. The interior planets , with the exception of the earth , and Mars ( p . 171 ) , are not attended by any ...
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Common terms and phrases
ancients Andromeda angle aphelion appearance Aries astronomers atmosphere axis body Boötes bright brilliant Canis Minor Capricornus Cassiopeia celestial centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk Draco earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavens Hercules Herschel horizon inclined inferior inferior conjunction inferior planet Jupiter latitude length light lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune node north pole orbit Orion parallax pass path penumbra perihelion Perseus Pisces planet Polaris precession rays revolve ring rising Saturn seasons seen shadow shines shower sidereal sidereal day solar day solar system space spots summer sun's superior planet surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible zodiac