Fourteen Weeks in Descriptive Astronomy |
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Page 57
... equator Fig . 10 . CYCLONE . performs a synodic revolution in about twenty - five days , while one half way to either pole requires twenty - eight days . One spot was noticed which had a motion three times greater than that of clouds ...
... equator Fig . 10 . CYCLONE . performs a synodic revolution in about twenty - five days , while one half way to either pole requires twenty - eight days . One spot was noticed which had a motion three times greater than that of clouds ...
Page 89
... equator . It has lofty mountains , which intercept the light of the sun , and deep valleys plunged in shade . One mountain has been ascertained to be about ten miles in height , which is of the di- ameter of the planet . The height of ...
... equator . It has lofty mountains , which intercept the light of the sun , and deep valleys plunged in shade . One mountain has been ascertained to be about ten miles in height , which is of the di- ameter of the planet . The height of ...
Page 93
Joel Dorman Steele. the first second : a pound weight removed to its equator would weigh about five - sixths of a pound . From this we see that the force of gravity does not decrease exactly in proportion to the size of the planet , any ...
Joel Dorman Steele. the first second : a pound weight removed to its equator would weigh about five - sixths of a pound . From this we see that the force of gravity does not decrease exactly in proportion to the size of the planet , any ...
Page 94
... equator , and its 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 ...
... equator , and its 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 ...
Page 96
Joel Dorman Steele. THE EARTH . Sign , e , a circle with Equator and Meridian . The Earth is the next planet we meet in passing outward from the sun . To the beginner , it seems strange enough to class our world among the heav- enly ...
Joel Dorman Steele. THE EARTH . Sign , e , a circle with Equator and Meridian . The Earth is the next planet we meet in passing outward from the sun . To the beginner , it seems strange enough to class our world among the heav- enly ...
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Common terms and phrases
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