Fourteen Weeks in Descriptive Astronomy |
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Page 241
... naked eye . Principal stars . The brightest star is Alderamin ( a ) , in the right shoulder . Alphirk ( ~ ) , in the girdle , is at the common vertex of several triangles , which point out respectively the left shoulder ( 1 ) , the left ...
... naked eye . Principal stars . The brightest star is Alderamin ( a ) , in the right shoulder . Alphirk ( ~ ) , in the girdle , is at the common vertex of several triangles , which point out respectively the left shoulder ( 1 ) , the left ...
Page 243
... naked eye . Principal stars . - The most prominent figure is called the segment of Perseus . It consists of several stars arranged in a line curving toward Ursa Major . Algenib ( a ) , the brightest of these , is of the second magnitude ...
... naked eye . Principal stars . - The most prominent figure is called the segment of Perseus . It consists of several stars arranged in a line curving toward Ursa Major . Algenib ( a ) , the brightest of these , is of the second magnitude ...
Page 266
... naked eye , and known to be the second nearest to us of any of the fixed stars , is yet estimated to weigh one - third as much as our sun . COLORED STARS . - We have already noticed that tho stars are of various colors . Sirius is white ...
... naked eye , and known to be the second nearest to us of any of the fixed stars , is yet estimated to weigh one - third as much as our sun . COLORED STARS . - We have already noticed that tho stars are of various colors . Sirius is white ...
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Common terms and phrases
ancients angle aphelion appear astronomers atmosphere axis bright brilliant called Capricornus Cassiopeia Celestial Sphere centre circle color comet conjunction constellation Cor Caroli dark density diameter disk earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavenly bodies heavens Hercules Herschel horizon inclined inferior inferior conjunction inferior planet Jupiter latitude length light longitude luminous lunar magnitude Mars mean distance measured Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune night node north pole obliquity observer orbit parallax pass path penumbra perihelion Perseus planet polar position rays revolve Right Ascension ring rotation satellites Saturn seasons seen shadow shine side sidereal sidereal day solar system space spots summer sun's superior planet supposed surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major varies velocity Venus vernal equinox visible zenith zodiac