History of Astronomy |
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... rotation of the earth aboutits axis, in the oppositedirection tothe apparent motion ofthe stars. Also in thewritings of MartianusCapella he learnt thatthe Egyptians hadsupposed Mercuryand Venus torevolve round thesun,and tobe carried ...
... rotation of the earth aboutits axis, in the oppositedirection tothe apparent motion ofthe stars. Also in thewritings of MartianusCapella he learnt thatthe Egyptians hadsupposed Mercuryand Venus torevolve round thesun,and tobe carried ...
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... he imaginedthatthe earth,revolving roundthesun, ought always to showto itthe same face; the contrary phenomena surprised him: to explain them he invented a third motion, and added it to the two real motions (rotation and.
... he imaginedthatthe earth,revolving roundthesun, ought always to showto itthe same face; the contrary phenomena surprised him: to explain them he invented a third motion, and added it to the two real motions (rotation and.
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George Forbes. and added it to the two real motions (rotation and orbital revolution). By this third motion the earth, he held, made a revolution on itself and on the poles of the ecliptic once a year ... Copernicus did not know that ...
George Forbes. and added it to the two real motions (rotation and orbital revolution). By this third motion the earth, he held, made a revolution on itself and on the poles of the ecliptic once a year ... Copernicus did not know that ...
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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