History of Astronomy |
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Page vii
... object of this History to describe . The progress of human knowledge is measured by the increased habit of looking at facts from new points of view , as much as by the accumulation of facts . The mental capacity of one age does not seem ...
... object of this History to describe . The progress of human knowledge is measured by the increased habit of looking at facts from new points of view , as much as by the accumulation of facts . The mental capacity of one age does not seem ...
Page ix
... object , 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 ...
... object , 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 7
... object to be attained by comparing the chronologies of ancient races is to 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 ...
... object to be attained by comparing the chronologies of ancient races is to 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 ...
Page 19
... object , have been rewarded by a discovery in a totally different direction . On comparing his star positions with those of Timocharis and Aristillus he found no stars that had appeared or disappeared in the interval of 150 years ; but ...
... object , have been rewarded by a discovery in a totally different direction . On comparing his star positions with those of Timocharis and Aristillus he found no stars that had appeared or disappeared in the interval of 150 years ; but ...
Page 24
... object ever aimed at in those days was to prepare tables for predicting the places of the planets . It was not a mechanical problem ; there was no notion of a governing law of forces . From this time onwards all interest in astronomy ...
... object ever aimed at in those days was to prepare tables for predicting the places of the planets . It was not a mechanical problem ; there was no notion of a governing law of forces . From this time onwards all interest in astronomy ...
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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