History of Astronomy |
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... discovered minorinequalities which couldbe allowed for by theaddition ofnew epicycles.We may look upon these epicyclesof Apollonius, and the excentric of Hipparchus, asthe responses of these astronomers to the demand of Plato for ...
... discovered minorinequalities which couldbe allowed for by theaddition ofnew epicycles.We may look upon these epicyclesof Apollonius, and the excentric of Hipparchus, asthe responses of these astronomers to the demand of Plato for ...
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... discovered the moon's "variation." Meanwhile the Moors were leadersof science inthe west, and Arzachel of Toledo improved thesolartables verymuch. Ulugh Begh, grandson of the great Tamerlane the Tartar, built a fine observatory THE ...
... discovered the moon's "variation." Meanwhile the Moors were leadersof science inthe west, and Arzachel of Toledo improved thesolartables verymuch. Ulugh Begh, grandson of the great Tamerlane the Tartar, built a fine observatory THE ...
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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