Fourteen Weeks in Descriptive Astronomy |
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Page 81
Joel Dorman Steele. junctions of an inferior planet with the earth and sun is termed a synodic revolution . Were the ... conjunction twice in each revolution . Since , however , the earth is in motion , it follows that after the planet ...
Joel Dorman Steele. junctions of an inferior planet with the earth and sun is termed a synodic revolution . Were the ... conjunction twice in each revolution . Since , however , the earth is in motion , it follows that after the planet ...
Page 82
... inferior conjunction , and the superior planets from opposition to conjunction . During the other half of their revolutions they are morning stars . Mercury , evening star .. 2 months . 912 " Venus , 66 66 Mars , 66 66 13 66 Jupiter ...
... inferior conjunction , and the superior planets from opposition to conjunction . During the other half of their revolutions they are morning stars . Mercury , evening star .. 2 months . 912 " Venus , 66 66 Mars , 66 66 13 66 Jupiter ...
Page 85
... inferior or superior conjunction to the same again ( a synodic revolution ) requires 116 days . The reason of this is , as already explained , that when Mercury comes around to the same spot in its orbit again , the earth has gone ...
... inferior or superior conjunction to the same again ( a synodic revolution ) requires 116 days . The reason of this is , as already explained , that when Mercury comes around to the same spot in its orbit again , the earth has gone ...
Page 86
... conjunction it is the sum of these distances . Its apparent diameter in these different positions varies in the same ... inferior conjunction Mer- cury is in aphelion and the earth in perihelion , its distance from us is only 90,000,000 ...
... conjunction it is the sum of these distances . Its apparent diameter in these different positions varies in the same ... inferior conjunction Mer- cury is in aphelion and the earth in perihelion , its distance from us is only 90,000,000 ...
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 ...
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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