History of Astronomy |
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Page 16
... accepted that the real existence of these spheres was not suggested , but the idea was only a mathematical conception to facilitate the construction of tables for predicting the places of the heavenly bodies . Aristotle ( 384-322 B.C. ) ...
... accepted that the real existence of these spheres was not suggested , but the idea was only a mathematical conception to facilitate the construction of tables for predicting the places of the heavenly bodies . Aristotle ( 384-322 B.C. ) ...
Page 23
... accepted by Tycho Brahe ; and was as true a representation of the relative motions in the solar system as when we suppose the sun to be fixed and the earth to revolve . The cumbrous system advocated by Ptolemy answered its purpose ...
... accepted by Tycho Brahe ; and was as true a representation of the relative motions in the solar system as when we suppose the sun to be fixed and the earth to revolve . The cumbrous system advocated by Ptolemy answered its purpose ...
Page 25
... accepted later by Tycho Brahe , with the earth fixed . But he now recalled and accepted the views of Pythagoras and others , according to which the sun is fixed and the earth revolves ; and it must be noted that , geometri- cally ...
... accepted later by Tycho Brahe , with the earth fixed . But he now recalled and accepted the views of Pythagoras and others , according to which the sun is fixed and the earth revolves ; and it must be noted that , geometri- cally ...
Page 29
... accepted . This seems unfair , and on reading over what has been written about him at different times it will be noticed that the astronomers -those who have evidently read his great book — are very cautious in the words with which they ...
... accepted . This seems unfair , and on reading over what has been written about him at different times it will be noticed that the astronomers -those who have evidently read his great book — are very cautious in the words with which they ...
Page 47
... accepted . on his authority . A blind worship of scientific authori- ties has often delayed the progress of human knowledge , just as too much " instruction " of a youth often ruins his " education . " Grant , in his history of Physical ...
... accepted . on his authority . A blind worship of scientific authori- ties has often delayed the progress of human knowledge , just as too much " instruction " of a youth often ruins his " education . " Grant , in his history of Physical ...
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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