History of Astronomy |
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Page 25
... and to be carried with him in his annual motion round the earth . He noticed
that the same supposition , if extended to Mars , Jupiter , and Saturn , would
explain easily why they , and especially Mars , seem so much brighter in
opposition .
... and to be carried with him in his annual motion round the earth . He noticed
that the same supposition , if extended to Mars , Jupiter , and Saturn , would
explain easily why they , and especially Mars , seem so much brighter in
opposition .
Page 43
It may seem a hopeless task to find out the true paths of Mars and the earth ( at
that time when their shape even was not known ) from the observations giving
only the relative direction from night to night . Now , Kepler had twenty years of ...
It may seem a hopeless task to find out the true paths of Mars and the earth ( at
that time when their shape even was not known ) from the observations giving
only the relative direction from night to night . Now , Kepler had twenty years of ...
Page 111
The general surface of Mars is a deep yellow ; but there are dark grey or greenish
patches . Sir John Herschel was the first to attribute the ruddy colour of Mars to its
soil rather than to its atmosphere . The observations of that keen - sighted ...
The general surface of Mars is a deep yellow ; but there are dark grey or greenish
patches . Sir John Herschel was the first to attribute the ruddy colour of Mars to its
soil rather than to its atmosphere . The observations of that keen - sighted ...
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Contents
Ancient GREEK ASTRONOMY | 3 |
INSTRUMENTS OF PRECISIONSIZE OF THE SOLAR | 10 |
GALILEO AND THE TELESCOPENOTIONS OF GRAVITY | 46 |
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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 |