Fourteen Weeks in Descriptive Astronomy |
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Page 82
... dark body pass across the sun's disk , and that this might have been the unknown planet . Le Verrier visited him , and found his instruments rough and home - made , but singularly accurate . His clock was a simple pendulum , consisting ...
... dark body pass across the sun's disk , and that this might have been the unknown planet . Le Verrier visited him , and found his instruments rough and home - made , but singularly accurate . His clock was a simple pendulum , consisting ...
Page 83
... dark spot , apparently the transit of an inner planet . Many other instances are given of a somewhat sim- ilar character . As yet , however , the existence of the planet is not generally conceded . The name Vulcan and the sign of a ...
... dark spot , apparently the transit of an inner planet . Many other instances are given of a somewhat sim- ilar character . As yet , however , the existence of the planet is not generally conceded . The name Vulcan and the sign of a ...
Page 88
... , and hence the brightest , nor when nearest the earth , as then its dark side is turned toward us . Owing to the dazzling light , and the vapors almost always hanging around our horizon , this planet has not 88 THE SOLAR SYSTEM .
... , and hence the brightest , nor when nearest the earth , as then its dark side is turned toward us . Owing to the dazzling light , and the vapors almost always hanging around our horizon , this planet has not 88 THE SOLAR SYSTEM .
Page 89
... dark bands about its equator . It has lofty mountains , which intercept the light of the sun , and deep valleys plunged in shade . One mountain has been ascertained to be about ten miles in height , which is of the di- ameter of the ...
... dark bands about its equator . It has lofty mountains , which intercept the light of the sun , and deep valleys plunged in shade . One mountain has been ascertained to be about ten miles in height , which is of the di- ameter of the ...
Page 96
... dark and opaque ; they appear light and airy , while it is solid and firm ; we see in it no motion , while they are constantly changing their position ; they seem mere points in the sky , while it is vast and extended . Yet at the very ...
... dark and opaque ; they appear light and airy , while it is solid and firm ; we see in it no motion , while they are constantly changing their position ; they seem mere points in the sky , while it is vast and extended . Yet at the very ...
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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