Fourteen Weeks in Descriptive Astronomy |
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Page 75
... zodiacal signs . But to us , standing on one of the planets , itself in motion , the effect is changed . To an observer at the sun all the motions would be real , while to us many are only apparent . The position of a planet , as seen ...
... zodiacal signs . But to us , standing on one of the planets , itself in motion , the effect is changed . To an observer at the sun all the motions would be real , while to us many are only apparent . The position of a planet , as seen ...
Page 122
... calculations , that they may be corrected to correspond with this annual variation . The con- stellations are fixed in the heavens , while the signs of the zodiac are not ; they are simply abstract divisions 122 THE SOLAR SYSTEM .
... calculations , that they may be corrected to correspond with this annual variation . The con- stellations are fixed in the heavens , while the signs of the zodiac are not ; they are simply abstract divisions 122 THE SOLAR SYSTEM .
Page 123
... zodiac . ( See Fig . 72. ) Causes of the Precession of the Equinoxes . - Before commencing the explanation of this phenomenon , it is necessary to impress upon the mind a few facts . 1. The earth is not a perfect sphere , but is swollen ...
... zodiac . ( See Fig . 72. ) Causes of the Precession of the Equinoxes . - Before commencing the explanation of this phenomenon , it is necessary to impress upon the mind a few facts . 1. The earth is not a perfect sphere , but is swollen ...
Page 176
... zodiac at the rate of one constellation yearly ; so that if we locate the planet now , a year hence we can find it equally advanced in the next sign . Yet slowly as he seems to travel through the heavens , he is bowling along through ...
... zodiac at the rate of one constellation yearly ; so that if we locate the planet now , a year hence we can find it equally advanced in the next sign . Yet slowly as he seems to travel through the heavens , he is bowling along through ...
Page 208
... zodiac , but appear in every quarter of the heavens , and move in every conceivable direction . When first seen , the comet resembles a faint spot of light upon the dark background of the sky : as it approaches the sun the brightness ...
... zodiac , but appear in every quarter of the heavens , and move in every conceivable direction . When first seen , the comet resembles a faint spot of light upon the dark background of the sky : as it approaches the sun the brightness ...
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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