History of Astronomy |
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Page 68
... Herschel discovered Uranus , in 1781 , it was found that astronomers had observed it on many previous occasions ... John Couch Adams came out Senior Wrangler at Cambridge , and was free to undertake the research which as an undergraduate ...
... Herschel discovered Uranus , in 1781 , it was found that astronomers had observed it on many previous occasions ... John Couch Adams came out Senior Wrangler at Cambridge , and was free to undertake the research which as an undergraduate ...
Page 97
... Herschel propounded an explanation of Wilson's observation which received much notice , but which , out of respect for his memory , is not now described , as it violated the elementary laws of heat . Sir John Herschel noticed that the ...
... Herschel propounded an explanation of Wilson's observation which received much notice , but which , out of respect for his memory , is not now described , as it violated the elementary laws of heat . Sir John Herschel noticed that the ...
Page 111
... 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 observer Dawes led to the first good map of Mars , in 1869. In the 1877 opposition ...
... 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 observer Dawes led to the first good map of Mars , in 1869. In the 1877 opposition ...
Page 133
... John Herschel and Sir James South , after re - examination of these stars , confirmed2 and extended the results , one pair ʼn Coronę having in the interval completed more than a whole revolution . It is , then , to Sir William Herschel ...
... John Herschel and Sir James South , after re - examination of these stars , confirmed2 and extended the results , one pair ʼn Coronę having in the interval completed more than a whole revolution . It is , then , to Sir William Herschel ...
Page 134
... John Herschel , he attributed these irregularities in each case to the attraction of an invis- ible companion , the period of revolution of Sirius being about half a century . Later he said : " I adhere to the conviction that Procyon ...
... John Herschel , he attributed these irregularities in each case to the attraction of an invis- ible companion , the period of revolution of Sirius being about half a century . Later he said : " I adhere to the conviction that Procyon ...
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Common terms and phrases
accurate observations Airy astro Astronomer Royal Astronomia Nova astronomical units attraction axis bright calculations Cape Cassini catalogue centre century comet compute Copernicus diameter discovered discovery earth eclipse epicycles equatoreal error excentric explain fact fixed stars Galileo Greenwich Halley heavenly bodies heavens heliometer Hipparchus Huggins hydrogen hypothesis instruments Johann Kepler John Herschel Jupiter Jupiter's Kepler Laplace Lick Observatory light line of apses line of sight lunar Mars mathematical mean distance mean motion measured Mercury meteor method miles a second moon moon's nebulę Newton Observatory orbit parallax perihelion period photographic physical planet planetary pole position predicted proper motion proved Ptolemy R. S. Phil records refractor retrograde retrograde motion revolution revolve round ring rotation round the sun satellites seems showed Sirius solar system spectra spectroscope spectrum spots stellar sun-spots sun's surface supposed tables telescope theory tion Trans Tycho Brahe Uranus velocity Venus Verrier zenith