History of Astronomy |
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Page 6
... 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 midday the stars are ...
... 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 midday the stars are ...
Page 7
... fix the actual dates of observations recorded , and this is not a part of a history of astronomy . In conclusion , let us bear in mind the limited point of view of the ancients when we try to estimate their merit . Let us remember that ...
... fix the actual dates of observations recorded , and this is not a part of a history of astronomy . In conclusion , let us bear in mind the limited point of view of the ancients when we try to estimate their merit . Let us remember that ...
Page 13
... fix the date July 16th , 533 B.C. Thus are the relations of the chronologies of Jews and Egyp- tians established by ... fixed the date May 28th , 585 B.C. But other modern astronomers give different dates . Thales went to Egypt to study ...
... fix the date July 16th , 533 B.C. Thus are the relations of the chronologies of Jews and Egyp- tians established by ... fixed the date May 28th , 585 B.C. But other modern astronomers give different dates . Thales went to Egypt to study ...
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
accepted accurate ancient appear astronomers attraction bodies bright calculations called catalogue cause centre century Chinese circle comet compared complete Copernicus determined diameter direction discovered discovery distance earth eclipse effect elements enabled epicycles equal error explain fact fixed follow force four Galileo gave give given gravitation heavens held Herschel increased interesting Jupiter Kepler knowledge known later LIBRARIES light lunar Mars mass mathematical mean measured method miles moon moon's motion move Newton noticed object observations Observatory opposition orbit original parallax pass period photographic physical planet planetary pole position predicted progress proper motion proved records researches revolve ring rotation round Royal satellites seems seen showed SIGILLUM solar system spectroscope spectrum stars studied sun's supposed surface tables telescope theory tion trace true Tycho Brahe UNIVERSITY VERITAS