Fourteen Weeks in Descriptive Astronomy |
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Page 86
... inferior conjunction Mer- cury is in aphelion and the earth in perihelion , its distance from us is only 90,000,000 – 43,000,000 : 47,000,000 miles . If at superior conjunction Mer- cury is in aphelion and the earth in aphelion also ...
... inferior conjunction Mer- cury is in aphelion and the earth in perihelion , its distance from us is only 90,000,000 – 43,000,000 : 47,000,000 miles . If at superior conjunction Mer- cury is in aphelion and the earth in aphelion also ...
Page 88
... inferior planet , we can never see it when full , 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 ...
... inferior planet , we can never see it when full , 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 ...
Page 90
... inferior to supe- rior conjunction , and " evening star " from superior to inferior conjunction . She is the most brilliant about five weeks before and after inferior conjunc- tion , at which time the planet is bright enough to cast a ...
... inferior to supe- rior conjunction , and " evening star " from superior to inferior conjunction . She is the most brilliant about five weeks before and after inferior conjunc- tion , at which time the planet is bright enough to cast a ...
Page 91
... inferior conjunction . But it takes Venus nearly two and a half revolutions to overtake the earth and come into the same conjunction again . This grows out of the fact that Venus has a longer orbit to travel through , and moves only ...
... inferior conjunction . But it takes Venus nearly two and a half revolutions to overtake the earth and come into the same conjunction again . This grows out of the fact that Venus has a longer orbit to travel through , and moves only ...
Page 171
... . 56 . VIEW OF XARS . extent as the inferior planets . Its surface appears covered with dusky patches , which are believed to be continents : these are of a dull red hue . Other portions , of a greenish tint , are considered to MARS . 171.
... . 56 . VIEW OF XARS . extent as the inferior planets . Its surface appears covered with dusky patches , which are believed to be continents : these are of a dull red hue . Other portions , of a greenish tint , are considered to MARS . 171.
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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