Fourteen Weeks in Descriptive Astronomy |
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Page 212
... find that the débris of these masses that we despised were formed of gold or diamonds ; but who would be the more astonished- -we or the comet - dwellers who would be cast on our earth ? What strange beings each would find the other ...
... find that the débris of these masses that we despised were formed of gold or diamonds ; but who would be the more astonished- -we or the comet - dwellers who would be cast on our earth ? What strange beings each would find the other ...
Page 300
... find how far from us an object is , so the astronomer uses two astronomical eyes or obser- vatories , located as far apart as possible , to find the parallax of a heavenly body . In the figure , M rep resents the moon , G an observatory ...
... find how far from us an object is , so the astronomer uses two astronomical eyes or obser- vatories , located as far apart as possible , to find the parallax of a heavenly body . In the figure , M rep resents the moon , G an observatory ...
Page 308
... find the correspond- ing Greenwich time . By comparing this with the local time , and reducing the difference to degrees , etc. , he obtains the longitude . - 5. TO FIND THE LATITUDE OF A PLACE . - ( 1 . ) By means of the sextant find ...
... find the correspond- ing Greenwich time . By comparing this with the local time , and reducing the difference to degrees , etc. , he obtains the longitude . - 5. TO FIND THE LATITUDE OF A PLACE . - ( 1 . ) By means of the sextant find ...
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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