History of Astronomy |
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Page ix
... Mars - to deduce the exact shape of the path of each of these planets , and their actual positions on these paths at any time . Kepler's masterpiece is one of the most interesting books that was ever written , combining wit ...
... Mars - to deduce the exact shape of the path of each of these planets , and their actual positions on these paths at any time . Kepler's masterpiece is one of the most interesting books that was ever written , combining wit ...
Page 9
... Mars , Jupiter , 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. ...
... Mars , Jupiter , 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. ...
Page 12
... Mars , Jupiter , and 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 ...
... Mars , Jupiter , and 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 ...
Page 22
... Mars , Jupiter , and 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 ...
... Mars , Jupiter , and 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 ...
Page 25
... 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 when in opposition . We must here notice that at this ...
... 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 when in opposition . We must here notice that at this ...
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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