History of Astronomy |
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Page 10
It consists of 235 lunations , and in that time the pole of the moon ' s orbit revolves
just once round the pole of the ecliptic , and for this reason the eclipses in one
cycle are repeated with very slight modification in the next cycle , and so on for ...
It consists of 235 lunations , and in that time the pole of the moon ' s orbit revolves
just once round the pole of the ecliptic , and for this reason the eclipses in one
cycle are repeated with very slight modification in the next cycle , and so on for ...
Page 19
The motion of this plane round the pole of the ecliptic once in eighteen years
complicated the problem . He located the moon ' s excentric as he had done the
sun ' s . He also discovered some of the minor irregularities of the moon ' s motion
...
The motion of this plane round the pole of the ecliptic once in eighteen years
complicated the problem . He located the moon ' s excentric as he had done the
sun ' s . He also discovered some of the minor irregularities of the moon ' s motion
...
Page 20
( 1 ) At about the date when the Great Pyramid may have been built yDraconis
was near to the pole , and must have been used as the pole - star . In the north
face of the Great Pyramid is the entrance to an inclined passage , and six of the
nine ...
( 1 ) At about the date when the Great Pyramid may have been built yDraconis
was near to the pole , and must have been used as the pole - star . In the north
face of the Great Pyramid is the entrance to an inclined passage , and six of the
nine ...
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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 |