Fourteen Weeks in Descriptive Astronomy |
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Page 15
... shine with a clear distinct light , we notice that they change their position with respect to the others . They are therefore called " planets " ( literally , wan- derers ) . Others remain immovable , and shine with a shifting ...
... shine with a clear distinct light , we notice that they change their position with respect to the others . They are therefore called " planets " ( literally , wan- derers ) . Others remain immovable , and shine with a shifting ...
Page 144
... SHINE . - For a few days before and after new moon , we may distinguish the outline of the unillumined portion of the moon ... shines only by reflecting the light it receives from the sun . Let us compare its various appearances with.
... SHINE . - For a few days before and after new moon , we may distinguish the outline of the unillumined portion of the moon ... shines only by reflecting the light it receives from the sun . Let us compare its various appearances with.
Page 185
... shines on the north pole , and a night of the same length envelops the south pole . The atmosphere is doubtless very dense , as the belts would seem to indicate . TELESCOPIC FEATURES . - Saturn's Rings . Galileo first noticed something ...
... shines on the north pole , and a night of the same length envelops the south pole . The atmosphere is doubtless very dense , as the belts would seem to indicate . TELESCOPIC FEATURES . - Saturn's Rings . Galileo first noticed something ...
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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