History of Astronomy |
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Page 6
... stars seemed to be fixed on this vault ; the moon , and 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 ...
... stars seemed to be fixed on this vault ; the moon , and 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 ...
Page 7
George Forbes. The grouping of the last be seen to rise at sunset . stars into ... stars , became later the highest goal in astronomy . To not one of the above ... fix the actual dates of observations recorded , and this is not a part of a ...
George Forbes. The grouping of the last be seen to rise at sunset . stars into ... stars , became later the highest goal in astronomy . To not one of the above ... fix the actual dates of observations recorded , and this is not a part of a ...
Page 13
... fix the date July 16th , 533 B.C. Thus are the relations of the chronologies of Jews ... fixed the date May 28th , 585 B.C. But other modern astronomers give ... stars are not mere spots on the heavenly vault , but solids ; that the moon ...
... fix the date July 16th , 533 B.C. Thus are the relations of the chronologies of Jews ... fixed the date May 28th , 585 B.C. But other modern astronomers give ... stars are not mere spots on the heavenly vault , but solids ; that the moon ...
Page 14
... fixed stars all revolve round the sun , which itself revolves round an imaginary central fire called the Antichthon . Copernicus in the sixteenth century claimed Pythagoras as the founder of the system which he , Copernicus , revived ...
... fixed stars all revolve round the sun , which itself revolves round an imaginary central fire called the Antichthon . Copernicus in the sixteenth century claimed Pythagoras as the founder of the system which he , Copernicus , revived ...
Page 15
... fixed stars to be on a vault of heaven ; and the sun , moon , and planets to be upon similar vaults or spheres , twenty - six revolving spheres in all , the motion of each planet being resolved into its components , and a separate ...
... fixed stars to be on a vault of heaven ; and the sun , moon , and planets to be upon similar vaults or spheres , twenty - six revolving spheres in all , the motion of each planet being resolved into its components , and a separate ...
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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