Fourteen Weeks in Descriptive Astronomy |
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Page 133
... light having to pass through a larger space in the atmosphere , but also by their travers- ing the lower and denser part . The intensity of the solar light is so greatly diminished by passing through the lower strata , that we are ...
... light having to pass through a larger space in the atmosphere , but also by their travers- ing the lower and denser part . The intensity of the solar light is so greatly diminished by passing through the lower strata , that we are ...
Page 182
... light to traverse the orbit of the earth . Römer's conclusion has since been verified by the phenomena of aberration of light . The velocity of light is about 183,000 miles per second . ( See 14 Weeks in Philosophy , p . 189. ) . SATURN ...
... light to traverse the orbit of the earth . Römer's conclusion has since been verified by the phenomena of aberration of light . The velocity of light is about 183,000 miles per second . ( See 14 Weeks in Philosophy , p . 189. ) . SATURN ...
Page 286
... light is of the third class just named , and that it is produced by the vivid light of a highly heated body shining through a flame full of volatilized substances . But not only does spectrum analysis thus shed light on the phys- ical ...
... light is of the third class just named , and that it is produced by the vivid light of a highly heated body shining through a flame full of volatilized substances . But not only does spectrum analysis thus shed light on the phys- ical ...
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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