Fourteen Weeks in Descriptive Astronomy |
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Page 45
Joel Dorman Steele. G A B いい THE SOLAR SYSTEM . THE Solar System is mainly comprised within the limits of the Zodiac . It consists of- 1. The Sun - the centre . 2. The major planets - Vulcan ( undetermined ) , Mercury , Venus , Earth ...
Joel Dorman Steele. G A B いい THE SOLAR SYSTEM . THE Solar System is mainly comprised within the limits of the Zodiac . It consists of- 1. The Sun - the centre . 2. The major planets - Vulcan ( undetermined ) , Mercury , Venus , Earth ...
Page 46
... solar system is the most perfect timepiece known . THE SUN . Sign , O , a buckler with its boss . DISTANCE . The sun's average distance from the earth is about 91 million miles . Since the orbit of the earth is elliptical , and the sun ...
... solar system is the most perfect timepiece known . THE SUN . Sign , O , a buckler with its boss . DISTANCE . The sun's average distance from the earth is about 91 million miles . Since the orbit of the earth is elliptical , and the sun ...
Page 48
... , whose theory of the universe was in so many respects very like the one we receive , believed the sun to be 44,000 miles from the earth , and 75 miles in diameter . i . e . , it would take 1,245,000 earths 48 THE SOLAR SYSTEM .
... , whose theory of the universe was in so many respects very like the one we receive , believed the sun to be 44,000 miles from the earth , and 75 miles in diameter . i . e . , it would take 1,245,000 earths 48 THE SOLAR SYSTEM .
Page 49
... solar system . Its weight may be expressed in tons thus , 1,910,278,070,000,000,000,000,000,000 , or Fig . 4 . limb Edge of the Sun Moon ! Orbit • Earth of the Moon a number which is meaningless to our imagination , but yet represents a ...
... solar system . Its weight may be expressed in tons thus , 1,910,278,070,000,000,000,000,000,000 , or Fig . 4 . limb Edge of the Sun Moon ! Orbit • Earth of the Moon a number which is meaningless to our imagination , but yet represents a ...
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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