History of Astronomy |
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Page 3
... later , were able to use the observations of Chaldæan astrologers , as well as those of Alexandrian astro- nomers , and to make some discoveries which have helped the progress of astronomy in all ages . So , also , Mr. Cowell has ...
... later , were able to use the observations of Chaldæan astrologers , as well as those of Alexandrian astro- nomers , and to make some discoveries which have helped the progress of astronomy in all ages . So , also , Mr. Cowell has ...
Page 6
... later the planets , were seen to crawl over it . It was a great step to look on the vault as a hollow sphere carrying the sun too . It must have been difficult to believe that at midday the stars are shining as brightly in the blue sky ...
... later the planets , were seen to crawl over it . It was a great step to look on the vault as a hollow sphere carrying the sun too . It must have been difficult to believe that at midday the stars are shining as brightly in the blue sky ...
Page 7
... later the highest goal in astronomy . To not one of the above important steps in the progress of astronomy can we assign the author with certainty . Probably many of them were independently taken by Chinese , Indian , Persian , Tartar ...
... later the highest goal in astronomy . To not one of the above important steps in the progress of astronomy can we assign the author with certainty . Probably many of them were independently taken by Chinese , Indian , Persian , Tartar ...
Page 8
... later by Father Moyriac - de - Mailla , who in 1777-1785 published Annals of the Chinese Empire , translated from Tong - Kien - Kang- Мои . Bailly , in his Astronomie Ancienne ( 1781 ) , drew , from these and other sources , the ...
... later by Father Moyriac - de - Mailla , who in 1777-1785 published Annals of the Chinese Empire , translated from Tong - Kien - Kang- Мои . Bailly , in his Astronomie Ancienne ( 1781 ) , drew , from these and other sources , the ...
Page 10
... later scholars ; but the fact remains that— although at long intervals observations were made of eclipses , comets , and falling stars , and of the position . of the solstices , and of the obliquity of the ecliptic- records become rare ...
... later scholars ; but the fact remains that— although at long intervals observations were made of eclipses , comets , and falling stars , and of the position . of the solstices , and of the obliquity of the ecliptic- records become rare ...
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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 nebulæ 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