History of Astronomy |
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... Copernicus in the sixteenth centuryclaimed Pythagorasas thefounder of the systemwhich he, Copernicus, revived. Anaxagoras (born499 B.C.) studied astronomyin Egypt. He explained the return ofthe sun tothe east eachmorning by its ...
... Copernicus in the sixteenth centuryclaimed Pythagorasas thefounder of the systemwhich he, Copernicus, revived. Anaxagoras (born499 B.C.) studied astronomyin Egypt. He explained the return ofthe sun tothe east eachmorning by its ...
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... COPERNICUS. After Ptolemy had published his book there seemed to be nothing more to do for the solar system except to go on observing and finding moreandmore accurate valuesforthe constants involved—viz., theperiods of revolution,the ...
... COPERNICUS. After Ptolemy had published his book there seemed to be nothing more to do for the solar system except to go on observing and finding moreandmore accurate valuesforthe constants involved—viz., theperiods of revolution,the ...
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... Copernicus,aSclav, wasbornin 1473 atThorn, in Polish Prussia. He studiedat Cracowand inItaly.He was a priest, andsettledat Frauenberg.He did not undertake continuous observations,but devoted himselfto simplifying the planetary ...
... Copernicus,aSclav, wasbornin 1473 atThorn, in Polish Prussia. He studiedat Cracowand inItaly.He was a priest, andsettledat Frauenberg.He did not undertake continuous observations,but devoted himselfto simplifying the planetary ...
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... Copernicus, except that onthe latter theorythe stars oughttoseemto move when the earth changes its position—a testwhich failed completely with the rough means of observationthen available.The radical defect ofallsolar systems previous ...
... Copernicus, except that onthe latter theorythe stars oughttoseemto move when the earth changes its position—a testwhich failed completely with the rough means of observationthen available.The radical defect ofallsolar systems previous ...
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... Copernicus did not know that motion inastraight line is thenaturalmotion, and thatmotion ina curve isthe resultant ofseveral movements. He believed, with Aristotle, that circular motion was the natural one. Copernicus made thisrotation ...
... Copernicus did not know that motion inastraight line is thenaturalmotion, and thatmotion ina curve isthe resultant ofseveral movements. He believed, with Aristotle, that circular motion was the natural one. Copernicus made thisrotation ...
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Airy allthe andthat andthe asthe Astronomer Royal Astronomia Nova astronomical units atmosphere atthe attraction axis bright bythe calculations catalogue centre century Chaldĉans Chinese comet confirmed Copernicus detected diameter discovered discovery distance earth eclipse epicycles equatoreal excentric explain fixed stars FOOTNOTES Frauenhofer fromthe Galileo Greenwich Halley havebeen heavenly bodies heavens heliometer Herschel Hipparchus Huggins hydrogen hypotheses inequality instruments inthe isthe John Herschel Jupiter Jupiter's Kepler lawof Lick Observatory light lines lunar Mars mathematical mean motion measured Mercury meteor miles moon moon's nebula Newton ofthese onthe orbit parallax perihelion period photographic physical planet planetary position predicted proper motion Ptolemy records reflector refractor retrograde retrograde motion revolve rotation round satellites Saturn seems solar system spectra spectroscope spectrum spots stellar sun's sunspot supposed surface telescope terrestrial thatthe theearth themoon theory thesame thesolar thesun tobe tothe Tycho Brahe Uranus velocity Venus Verrier William Herschel withthe zenith