History of Astronomy |
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Page 3
So Hipparchus , about 150 B . C . , and Ptolemy a little later , were able to use the
observations of Chaldæan astrologers , as well as those of Alexandrian
astronomers , and to make some discoveries which have helped the progress of
...
So Hipparchus , about 150 B . C . , and Ptolemy a little later , were able to use the
observations of Chaldæan astrologers , as well as those of Alexandrian
astronomers , and to make some discoveries which have helped the progress of
...
Page 133
Twenty years later Sir John Herschel and Sir James South , after re - examination
of these stars , confirineda and extended the results , one pair n Coronæ having
in the interval completed more than a whole revolution . It is , then , to Sir ...
Twenty years later Sir John Herschel and Sir James South , after re - examination
of these stars , confirineda and extended the results , one pair n Coronæ having
in the interval completed more than a whole revolution . It is , then , to Sir ...
Page 134
Later he said : “ I adhere to the conviction that Procyon and Sirius form real binary
systems , consisting of a visible and an invisible star . There is no reason to
suppose luminosity an essential quality of cosmical bodies . The visibility of ...
Later he said : “ I adhere to the conviction that Procyon and Sirius form real binary
systems , consisting of a visible and an invisible star . There is no reason to
suppose luminosity an essential quality of cosmical bodies . The visibility of ...
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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
Bibliographic information
| Title | History of Astronomy The history of science series |
| Author | George Forbes |
| Publisher | Watts, 1921 |
| Original from | Indiana University |
| Digitized | 5 Aug 2010 |
| Length | 150 pages |
| Export Citation | BiBTeX EndNote RefMan |