History of Astronomy |
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Page 11
Until the last half century historians were accustomed to look back upon the
Greeks , who led the world from the fifth to the third century B . C . , as the
pioneers of art , literature , and science . But the excavations and researches of
later years ...
Until the last half century historians were accustomed to look back upon the
Greeks , who led the world from the fifth to the third century B . C . , as the
pioneers of art , literature , and science . But the excavations and researches of
later years ...
Page 12
... cycle of nineteen years was used by the Jews in the fifth century B . C . [ the
present reformed Jewish calendar dating from the fourth century A . D . ) , a date
a " little more than a century after the grandfathers * R . A . S . Monthly Notices ,
vol .
... cycle of nineteen years was used by the Jews in the fifth century B . C . [ the
present reformed Jewish calendar dating from the fourth century A . D . ) , a date
a " little more than a century after the grandfathers * R . A . S . Monthly Notices ,
vol .
Page 24
When the Caliph Omar , in the middle of the seventh century , burnt the library of
Alexandria , which had been the centre of intellectual progress , that centre
migrated to Baghdad , and the Arabs became the leaders of science and
philosophy .
When the Caliph Omar , in the middle of the seventh century , burnt the library of
Alexandria , which had been the centre of intellectual progress , that centre
migrated to Baghdad , and the Arabs became the leaders of science and
philosophy .
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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