History of Astronomy |
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Page 17
Aristillus and Timocharis set up instruments and fixed the positions of the
zodiacal stars , near to which all the planets in their orbits pass , thus facilitating
the determination of planetary motions . Aristarchus ( 320 – 250 B . THE
GEOMETRICAL ...
Aristillus and Timocharis set up instruments and fixed the positions of the
zodiacal stars , near to which all the planets in their orbits pass , thus facilitating
the determination of planetary motions . Aristarchus ( 320 – 250 B . THE
GEOMETRICAL ...
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 through it , and their points of least and
greatest velocities were also determined with reference to it . By this arrangement
the ...
This was the point to which the motions of the planets were referred , for the
planes of their orbits were made to pass through it , and their points of least and
greatest velocities were also determined with reference to it . By this arrangement
the ...
Page 42
1 Kepler ' s first great discovery was that the planes of all the orbits pass through
the sun ; his second was that the line of apses of each planet passes through the
sun ; both were contradictory to the Copernican theory . | He proceeds ...
1 Kepler ' s first great discovery was that the planes of all the orbits pass through
the sun ; his second was that the line of apses of each planet passes through the
sun ; both were contradictory to the Copernican theory . | He proceeds ...
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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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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 |