Fourteen Weeks in Descriptive Astronomy |
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Page 18
... causes . For his audacity and impiety , as his countryman considered it , he and his family were doomed to perpetual banish- ment . Pythagoras founded the second celebrated astro- nomical school , at Crotona , at which were educated ...
... causes . For his audacity and impiety , as his countryman considered it , he and his family were doomed to perpetual banish- ment . Pythagoras founded the second celebrated astro- nomical school , at Crotona , at which were educated ...
Page 32
... causes all bodies thus to descend to the earth , and remembering that this force continues , even when we ascend to the tops of high mountains , the thought occurred to his mind , " May not this same force extend to a great distance out ...
... causes all bodies thus to descend to the earth , and remembering that this force continues , even when we ascend to the tops of high mountains , the thought occurred to his mind , " May not this same force extend to a great distance out ...
Page 56
... have a motion of their own . - Besides the motion already named as assigned to the sun's rota- tion , the spots seem to have a motion of their own , and this fact is undoubtedly the cause of the va 56 THE SOLAR SYSTEM .
... have a motion of their own . - Besides the motion already named as assigned to the sun's rota- tion , the spots seem to have a motion of their own , and this fact is undoubtedly the cause of the va 56 THE SOLAR SYSTEM .
Page 57
Joel Dorman Steele. and this fact is undoubtedly the cause of the va riation in the estimates made of the time of the sun's revolution on its axis . A spot near the equator Fig . 10 . CYCLONE . performs a synodic revolution in about ...
Joel Dorman Steele. and this fact is undoubtedly the cause of the va riation in the estimates made of the time of the sun's revolution on its axis . A spot near the equator Fig . 10 . CYCLONE . performs a synodic revolution in about ...
Page 59
... cause a condensation of gases . The spots do not influence the fruitfulness of the sea- son . - Sir W. Herschel first advanced the idea that years of abundant spots would be years also of plen- tiful harvest . This is not now generally ...
... cause a condensation of gases . The spots do not influence the fruitfulness of the sea- son . - Sir W. Herschel first advanced the idea that years of abundant spots would be years also of plen- tiful harvest . This is not now generally ...
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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