History of Astronomy |
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Page vii
... facts from new points of view , as much as by the accumulation of facts . The mental capacity of one age does not seem to differ from that of other ages ; but it is the imagination of new points of view that gives a wider scope to that ...
... facts from new points of view , as much as by the accumulation of facts . The mental capacity of one age does not seem to differ from that of other ages ; but it is the imagination of new points of view that gives a wider scope to that ...
Page viii
... facts as in theories . So it is that these men , who have built up the most sure and most solid of all the sciences , refuse to invite others to join them in vain speculation . The writer has , therefore , in this short History , tried ...
... facts as in theories . So it is that these men , who have built up the most sure and most solid of all the sciences , refuse to invite others to join them in vain speculation . The writer has , therefore , in this short History , tried ...
Page 5
... fact has been confirmed by Egyptian and Chinese observations on the length of the shadow of a vertical pillar , made thousands of years before the Christian era , in summer and winter . There are other reasons why we must be tolerant of ...
... fact has been confirmed by Egyptian and Chinese observations on the length of the shadow of a vertical pillar , made thousands of years before the Christian era , in summer and winter . There are other reasons why we must be tolerant of ...
Page 6
... facts translated from the original sculptures , papyri , and inscribed bricks , dating back thousands of years . In attempting to appraise the efforts of the beginners we must remember that it was natural to look upon the earth ( as all ...
... facts translated from the original sculptures , papyri , and inscribed bricks , dating back thousands of years . In attempting to appraise the efforts of the beginners we must remember that it was natural to look upon the earth ( as all ...
Page 8
... fact that some alleged observa- tions date back to a period before the Chinese had invented the art of writing leads immediately to the question how far tradition can be trusted . Our first detailed knowledge was gathered in the far ...
... fact that some alleged observa- tions date back to a period before the Chinese had invented the art of writing leads immediately to the question how far tradition can be trusted . Our first detailed knowledge was gathered in the far ...
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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