History of Astronomy |
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... distances fromthe earth instead of having them stuck on the vaultof heaven. Itwas a transition from "flatland" to a space of three dimensions. Great progress was madewhen systematic observations began, such asfollowingthe motion of the ...
... distances fromthe earth instead of having them stuck on the vaultof heaven. Itwas a transition from "flatland" to a space of three dimensions. Great progress was madewhen systematic observations began, such asfollowingthe motion of the ...
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... distance of the excentric[3] from the centre of the deferent, andthe position oftheline of apses,[4] besides the inclinationand position ofthe plane of the planet's orbit.The only object ever aimed at in thosedays was to preparetables ...
... distance of the excentric[3] from the centre of the deferent, andthe position oftheline of apses,[4] besides the inclinationand position ofthe plane of the planet's orbit.The only object ever aimed at in thosedays was to preparetables ...
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... pass through thesun, and the lines of apses do not pass through to the sun. Such wasthe theory advanced by Copernicus: The earth moves inan epicycle, onadeferent whose centre isalittle distance from the sun. The planets move in a similar.
... pass through thesun, and the lines of apses do not pass through to the sun. Such wasthe theory advanced by Copernicus: The earth moves inan epicycle, onadeferent whose centre isalittle distance from the sun. The planets move in a similar.
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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 Chaldæans 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 sunÂspot supposed surface telescope terrestrial thatthe theearth themoon theory thesame thesolar thesun tobe tothe Tycho Brahe Uranus velocity Venus Verrier William Herschel withthe zenith