Fourteen Weeks in Descriptive Astronomy |
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Page 39
... Polar Distance . Right Ascension is distance from the Vernal Equi- nox , measured on the equinoctial eastward . R. A. corresponds to terrestrial longitude , and may ex- tend to 360 ° East , instead of 180 ° as on the earth . R. A. is ...
... Polar Distance . Right Ascension is distance from the Vernal Equi- nox , measured on the equinoctial eastward . R. A. corresponds to terrestrial longitude , and may ex- tend to 360 ° East , instead of 180 ° as on the earth . R. A. is ...
Page 73
... cannot conceive of any polar inhabitant who could endure the. SIZE OF SUN AS SEEN FROM THE PLANETS . 2,000 in passing from Mercury to Uranus . No hu- man being could reside on the former , while we Fig . 19 . B. 1 THE PLANETS . 73.
... cannot conceive of any polar inhabitant who could endure the. SIZE OF SUN AS SEEN FROM THE PLANETS . 2,000 in passing from Mercury to Uranus . No hu- man being could reside on the former , while we Fig . 19 . B. 1 THE PLANETS . 73.
Page 74
Joel Dorman Steele. cannot conceive of any polar inhabitant who could endure the intense cold of the latter . At the sun , one of our pounds would weigh 27 pounds ; on our moon the pound weight would become only about 2 ounces ; while on ...
Joel Dorman Steele. cannot conceive of any polar inhabitant who could endure the intense cold of the latter . At the sun , one of our pounds would weigh 27 pounds ; on our moon the pound weight would become only about 2 ounces ; while on ...
Page 93
... polar regions having alternately at one solstice a torrid temperature , and at the other a prolonged arctic cold . The inequality of the nights is very marked . The heat and. VENUS AT ITS SOLSTICE . CRESCENT AND SPOTS OF VENUS . THE ...
... polar regions having alternately at one solstice a torrid temperature , and at the other a prolonged arctic cold . The inequality of the nights is very marked . The heat and. VENUS AT ITS SOLSTICE . CRESCENT AND SPOTS OF VENUS . THE ...
Page 94
... polar circles 75 ° from the poles . The torrid zone is , therefore , 150 ° in width . The torrid and frigid zones interlap through a space of 60 ° , midway between the equator and poles . TELESCOPIC FEATURES . - Venus , being an ...
... polar circles 75 ° from the poles . The torrid zone is , therefore , 150 ° in width . The torrid and frigid zones interlap through a space of 60 ° , midway between the equator and poles . TELESCOPIC FEATURES . - Venus , being an ...
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ancients Andromeda angle aphelion appear Aries astronomers atmosphere axis Boötes bright brilliant Canis Minor Capricornus Cassiopeia cause Celestial Sphere centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavenly bodies heavens Hercules Herschel horizon inclined inferior conjunction inferior planet Jupiter latitude length light luminous lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon's motion move naked eye nearly nebula Neptune night node north pole Orion parallax pass path penumbra perihelion Perseus Pisces polar Polaris precession rays revolve ring rising Saturn seasons seen shine side sidereal sidereal day solar day solar system solstice space spots summer sun's surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible winter Zodiac