History of Astronomy |
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Page 26
as revived by Copernicus , except that on the latter theory the stars ought to seem
to move when the earth changes its position — a test which failed completely with
the rough means of observation then available . The radical defect of all solar ...
as revived by Copernicus , except that on the latter theory the stars ought to seem
to move when the earth changes its position — a test which failed completely with
the rough means of observation then available . The radical defect of all solar ...
Page 38
It has already been stated that Tycho Brahe maintained that observation must
precede theory . He did not accept the Copernican theory that the earth moves ,
but for a working hypothesis he used a modification of an old Egyptian theory ...
It has already been stated that Tycho Brahe maintained that observation must
precede theory . He did not accept the Copernican theory that the earth moves ,
but for a working hypothesis he used a modification of an old Egyptian theory ...
Page 41
could have made a mistake of eight minutes , and added : “ Out of these eight
minutes we will construct a new theory that will explain the motions of all the
planets . ” . And he did it , with elliptic orbits having the sun in a focus of each .
could have made a mistake of eight minutes , and added : “ Out of these eight
minutes we will construct a new theory that will explain the motions of all the
planets . ” . And he did it , with elliptic orbits having the sun in a focus of each .
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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 |