Fourteen Weeks in Descriptive Astronomy |
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Page 9
... miles ) , as given on page 307 of this work , are incorrect . The methods more recently adopted for approximating ... miles , as heretofore received , but vary in the conclusions they reach . Thus , Newcomb makes the solar parallax 8.848 ...
... miles ) , as given on page 307 of this work , are incorrect . The methods more recently adopted for approximating ... miles , as heretofore received , but vary in the conclusions they reach . Thus , Newcomb makes the solar parallax 8.848 ...
Page 33
... miles from the surface of the earth , or eight thousand miles from the centre . Then , as it is twice as far from the centre , its weight will be diminished 22 , or 4 times . If it were placed 3 , 4 , 5 , 10 times further away , its ...
... miles from the surface of the earth , or eight thousand miles from the centre . Then , as it is twice as far from the centre , its weight will be diminished 22 , or 4 times . If it were placed 3 , 4 , 5 , 10 times further away , its ...
Page 48
... miles in diameter and 200,000 miles long were plunged , end first , into the sun , it would melt in a second of time . APPARENT SIZE . - It appears to be about a half de- gree in diameter , so that 360 disks like the sun , laid side by ...
... miles in diameter and 200,000 miles long were plunged , end first , into the sun , it would melt in a second of time . APPARENT SIZE . - It appears to be about a half de- gree in diameter , so that 360 disks like the sun , laid side by ...
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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