Fourteen Weeks in Descriptive Astronomy |
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Page 62
... atmosphere . According to this theory , the spots are to be explained in the following manner . They are simply openings in these atmospheres made by powerful upward currents . At the bottom of these chasms we see the dark sun as a ...
... atmosphere . According to this theory , the spots are to be explained in the following manner . They are simply openings in these atmospheres made by powerful upward currents . At the bottom of these chasms we see the dark sun as a ...
Page 63
Joel Dorman Steele. the cloudy atmosphere below will close up first over the dark surface of the sun , leaving only an open- ing through the photosphere , disclosing at the bot- tom a grayish surface of penumbra . We can readily Fig . 13 ...
Joel Dorman Steele. the cloudy atmosphere below will close up first over the dark surface of the sun , leaving only an open- ing through the photosphere , disclosing at the bot- tom a grayish surface of penumbra . We can readily Fig . 13 ...
Page 64
... atmosphere will account for the fact that the sun's margin is not so bright as its centre . KIRCHHOFF'S THEORY . - This view differs essentially from that of Wilson . It considers the sun as an intensely white - hot solid or fluid body ...
... atmosphere will account for the fact that the sun's margin is not so bright as its centre . KIRCHHOFF'S THEORY . - This view differs essentially from that of Wilson . It considers the sun as an intensely white - hot solid or fluid body ...
Page 74
... atmosphere or physical features may exist even on Mercury to temper the heat , or on Uranus to reduce the cold . With , however , all these diversi- ties , we must admit the power of an all - wise Creator to create beings adapted to the ...
... atmosphere or physical features may exist even on Mercury to temper the heat , or on Uranus to reduce the cold . With , however , all these diversi- ties , we must admit the power of an all - wise Creator to create beings adapted to the ...
Page 89
... atmosphere loaded with clouds , which would materially diminish the intensity of the sun , and perhaps make Mercury quite habitable . Sir W. Herschel , however , emphatically denies this , and asserts that the atmosphere is too ...
... atmosphere loaded with clouds , which would materially diminish the intensity of the sun , and perhaps make Mercury quite habitable . Sir W. Herschel , however , emphatically denies this , and asserts that the atmosphere is too ...
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Common terms and phrases
ancients Andromeda angle aphelion appearance Aries astronomers atmosphere axis body Boötes bright brilliant Canis Minor Capricornus Cassiopeia cause celestial centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk Draco earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavens Hercules Herschel horizon inclined inferior conjunction inferior planet Jupiter latitude length light lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune node north pole orbit Orion parallax pass path penumbra perihelion Perseus Pisces Polaris precession rays revolve ring rising Saturn seasons seen shadow shines shower sidereal sidereal day solar day solar system space spots summer sun's superior planet surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible zodiac zone