History of Astronomy |
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Page 58
He now said that the nodes of a ring of satellites revolving round the earth ' s
equator would consequently all regress . And if joined into a solid ring its node
would regress ; and it would do so , only more slowly , if encumbered by the
spherical ...
He now said that the nodes of a ring of satellites revolving round the earth ' s
equator would consequently all regress . And if joined into a solid ring its node
would regress ; and it would do so , only more slowly , if encumbered by the
spherical ...
Page 116
This planet , with its marvellous ring , was perhaps the most wonderful object of
those first examined by Galileo ' s telescope . He was followed by Dominique
Cassini , who detected bands like Jupiter ' s belts . Herschel established the
rotation ...
This planet , with its marvellous ring , was perhaps the most wonderful object of
those first examined by Galileo ' s telescope . He was followed by Dominique
Cassini , who detected bands like Jupiter ' s belts . Herschel established the
rotation ...
Page 117
concentric rings being separated by a black band - a fact which was placed
beyond dispute by Herschel , who also found that the thickness of the ring
subtends an angle less than o " . 3 . Shröter estimated its thickness at 500 miles .
concentric rings being separated by a black band - a fact which was placed
beyond dispute by Herschel , who also found that the thickness of the ring
subtends an angle less than o " . 3 . Shröter estimated its thickness at 500 miles .
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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 |