History of Astronomy |
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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 .
Page 88
Towards the close of the eighteenth century a Swiss named Guinand at last
succeeded in producing larger flint - glass discs free from striae . Frauenhofer , of
Munich , took him up in 1805 , and soon produced , among others , Struve ' s
Dorpat ...
Towards the close of the eighteenth century a Swiss named Guinand at last
succeeded in producing larger flint - glass discs free from striae . Frauenhofer , of
Munich , took him up in 1805 , and soon produced , among others , Struve ' s
Dorpat ...
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Contents
Ancient GREEK ASTRONOMY | 3 |
INSTRUMENTS OF PRECISIONSIZE OF THE SOLAR | 10 |
GALILEO AND THE TELESCOPENOTIONS OF GRAVITY | 46 |
5 other sections not shown
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Common terms and phrases
accepted accurate ancient appear astronomers attraction bodies born bright calculations called catalogue cause centre century circle comet compared complete Copernicus determined diameter direction discovered discovery distance earth eclipse effect enabled epicycles equal error excentric explain fact fixed follow force Galileo give given gravitation heavenly heavens held Herschel Hipparchus idea included interesting invented Jupiter Kepler knowledge known later light lunar Mars mass mathematical mean measured method miles minutes moon moon's motion move Newton noticed object observations Observatory opposition orbit original parallax pass period photographic physical planetary planets pole position predicted present principle progress proper proved records revolve rotation round Royal satellites says seems seen showed solar system spectroscope spectrum stars studied sun's supported supposed surface tables telescope theory tion trace true Tycho Brahe uniform universal
Bibliographic information
| Title | History of Astronomy Hist. of sci. series History of science series |
| Author | George Forbes |
| Publisher | Watts, 1909 |
| Original from | the University of California |
| Digitized | 13 Jan 2011 |
| Length | 154 pages |
| Export Citation | BiBTeX EndNote RefMan |