Fourteen Weeks in Descriptive Astronomy |
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Page 64
... theory is time - honored , but compli- cated ; Kirchhoff's is modern , and partakes of the simplicity of true science . THE HEAT OF THE SUN . - This subject is not under- stood . Many theories have been advanced , but none has been ...
... theory is time - honored , but compli- cated ; Kirchhoff's is modern , and partakes of the simplicity of true science . THE HEAT OF THE SUN . - This subject is not under- stood . Many theories have been advanced , but none has been ...
Page 315
... theory . How does it differ from ours ? What strange views did he hold ? What theory did Eudoxus advance ? 19. What is the theory of the crystalline spheres ? What has Hipparchus been styled ? What addition did he make to astronomical ...
... theory . How does it differ from ours ? What strange views did he hold ? What theory did Eudoxus advance ? 19. What is the theory of the crystalline spheres ? What has Hipparchus been styled ? What addition did he make to astronomical ...
Page 316
... theory of " cycles and epicycles ? " 21. Did the ancients believe in the reality of this cumbrous machinery ? Did this theory possess any accuracy ? Could they adapt it to explain any new motion ? 22. What was the remark of Alphonso ...
... theory of " cycles and epicycles ? " 21. Did the ancients believe in the reality of this cumbrous machinery ? Did this theory possess any accuracy ? Could they adapt it to explain any new motion ? 22. What was the remark of Alphonso ...
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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