Fourteen Weeks in Descriptive Astronomy |
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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 , are not , so far as we know , 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 , are not , so far as we know , attended by any ...
Page 69
... - ing point to represent Jupiter ; a small orange two- fifths of a mile for Saturn ; a full - sized cherry three- quarters of a mile distant for Uranus ; and lastly , a plum 14 miles off for Neptune , the most distant THE PLANETS . 69.
... - ing point to represent Jupiter ; a small orange two- fifths of a mile for Saturn ; a full - sized cherry three- quarters of a mile distant for Uranus ; and lastly , a plum 14 miles off for Neptune , the most distant THE PLANETS . 69.
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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