History of Astronomy |
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Page 9
... Saturn , and Mercury were all between the eleventh and eighteenth degrees of Pisces , all visible together in the evening on February 28th 2446 B.C. , while on the same day the sun and moon were in conjunction at 9 a.m. , and that on ...
... Saturn , and Mercury were all between the eleventh and eighteenth degrees of Pisces , all visible together in the evening on February 28th 2446 B.C. , while on the same day the sun and moon were in conjunction at 9 a.m. , and that on ...
Page 12
... Saturn . We have records of observations carried on under Asshurbanapal , who sent astronomers to different parts to study celestial phenomena . Here is one : - To the Director of Observations , —My Lord , his humble servant Nabushum ...
... Saturn . We have records of observations carried on under Asshurbanapal , who sent astronomers to different parts to study celestial phenomena . Here is one : - To the Director of Observations , —My Lord , his humble servant Nabushum ...
Page 22
... Saturn were supposed to be further away than the sun . Mercury and Venus were supposed to revolve in their epicycles in their own periodic times and in the deferent round the earth in a year . The major planets were sup- posed to ...
... Saturn were supposed to be further away than the sun . Mercury and Venus were supposed to revolve in their epicycles in their own periodic times and in the deferent round the earth in a year . The major planets were sup- posed to ...
Page 25
... Saturn , would explain easily why they , and especially Mars , seem so much brighter in opposition . For Mars would then be a great deal nearer to the earth than at other times . It would also explain the retrograde motion of planets ...
... Saturn , would explain easily why they , and especially Mars , seem so much brighter in opposition . For Mars would then be a great deal nearer to the earth than at other times . It would also explain the retrograde motion of planets ...
Page 48
... Saturn with appendages that he could not explain , but unlike the other planets ; the Milky Way composed of a multitude of separate stars . His fame flew over Europe like magic , and his dis- coveries were much discussed - and there ...
... Saturn with appendages that he could not explain , but unlike the other planets ; the Milky Way composed of a multitude of separate stars . His fame flew over Europe like magic , and his dis- coveries were much discussed - and there ...
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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