History of Astronomy |
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Page 89
At Greenwich there is the 28 - inch photographic refractor , and the Thompson
equatoreal by Grubb , carrying both the 26 - inch photographic refractor and the
30 - inch reflector . At the Cape of Good Hope we find Mr . Frank McClean ' s 24 ...
At Greenwich there is the 28 - inch photographic refractor , and the Thompson
equatoreal by Grubb , carrying both the 26 - inch photographic refractor and the
30 - inch reflector . At the Cape of Good Hope we find Mr . Frank McClean ' s 24 ...
Page 102
At the other end of the spectroscope is the photographic plate . Just in front of this
plate there is another slit parallel to the first , in the K line of calcium falls . Thus is
obtained a photograph of the section of the sun , made by the first slit , only in K ...
At the other end of the spectroscope is the photographic plate . Just in front of this
plate there is another slit parallel to the first , in the K line of calcium falls . Thus is
obtained a photograph of the section of the sun , made by the first slit , only in K ...
Page 140
... in their scheme . ' Gill , having got his own photographic work under way ,
suggested an international astrographic chart , the materials for different zones to
be supplied by observaGREAT COMET , Nov . 14TH , 1882 . ( Exposure zlırs .
2om . ) ...
... in their scheme . ' Gill , having got his own photographic work under way ,
suggested an international astrographic chart , the materials for different zones to
be supplied by observaGREAT COMET , Nov . 14TH , 1882 . ( Exposure zlırs .
2om . ) ...
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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 |