History of Astronomy |
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Page 2
For these reasons we find that the earnest men of all ages have recorded the
occurrence of comets , eclipses , new stars , meteor showers , and remarkable
conjunctions of the planets , as well as plagues and famines , floods and
droughts ...
For these reasons we find that the earnest men of all ages have recorded the
occurrence of comets , eclipses , new stars , meteor showers , and remarkable
conjunctions of the planets , as well as plagues and famines , floods and
droughts ...
Page 28
This was the point to which the motions of the planets were referred , for the
planes of their orbits were made to pass ... By this arrangement the sun was
situate mathematically near the centre of the planetary system , but he did not
appear to ...
This was the point to which the motions of the planets were referred , for the
planes of their orbits were made to pass ... By this arrangement the sun was
situate mathematically near the centre of the planetary system , but he did not
appear to ...
Page 66
... both revolving in nearly the same plane , inclined 80° to the ecliptic , and the
motion of both was retrograde . In 1772 , before Herschel ' s discovery , Bode '
had discovered a curious arbitrary law of planetary distances . Opposite each
planet ...
... both revolving in nearly the same plane , inclined 80° to the ecliptic , and the
motion of both was retrograde . In 1772 , before Herschel ' s discovery , Bode '
had discovered a curious arbitrary law of planetary distances . Opposite each
planet ...
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Contents
ANCIENT GREEK ASTRONOMY | 3 |
GALILEO AND THE TELESCOPENOTIONS OF GRAVITY | 46 |
NEWTONS SUCCESSORS HALLEY EULER | 60 |
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Common terms and phrases
accepted accurate ancient appear astronomers attraction bodies bright calculations called catalogue cause centre century Chinese circle comet compared complete Copernicus determined diameter direction discovered discovery distance earth eclipse effect elements enabled epicycles equal error explain fact fixed follow force four Galileo gave give given gravitation heavens held Herschel increased interesting Jupiter Kepler knowledge known later light lunar Mars mass mathematical mean measured method miles moon moon's motion move nebulæ Newton noted noticed object observations Observatory opposition orbit original parallax pass period photographic physical planet planetary pole position predicted progress proper motion proved records researches revolve ring rotation round Royal satellites seems seen showed solar system spectroscope spectrum stars studied sun's supposed surface tables telescope theory tion trace true Tycho Brahe UNIVERSITY