History of Astronomy |
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... from "flatland" to a space of three dimensions. Great progress was madewhen systematic observations began, such asfollowingthe motion of the ... The only object to be attained by comparing the.
... from "flatland" to a space of three dimensions. Great progress was madewhen systematic observations began, such asfollowingthe motion of the ... The only object to be attained by comparing the.
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... the first astronomy was of two dimensions; the second astronomy was of three dimensions, but still purely geometrical. Since Kepler's day we have had a dynamical astronomy. FOOTNOTES: [1] Trans.R.S.E., xxiii. 1864,p. 499,OnSun Spots ...
... the first astronomy was of two dimensions; the second astronomy was of three dimensions, but still purely geometrical. Since Kepler's day we have had a dynamical astronomy. FOOTNOTES: [1] Trans.R.S.E., xxiii. 1864,p. 499,OnSun Spots ...
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... the Chinese Empire, translated from TongKienKangMou. Bailly, inhis Astronomie Ancienne (1781),drew,from these andother sources,the conclusion that all weknow of the astronomical learningofthe Chinese, Indians, Chaldæans, Assyrians, and ...
... the Chinese Empire, translated from TongKienKangMou. Bailly, inhis Astronomie Ancienne (1781),drew,from these andother sources,the conclusion that all weknow of the astronomical learningofthe Chinese, Indians, Chaldæans, Assyrians, and ...
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George Forbes. equinoxes, and they reported the names of the stars in the places occupied by the sun at these seasons ... from ignorance of the year's length. It is stated that in 2159B.C. the royal astronomersHi and Ho failed to predict ...
George Forbes. equinoxes, and they reported the names of the stars in the places occupied by the sun at these seasons ... from ignorance of the year's length. It is stated that in 2159B.C. the royal astronomersHi and Ho failed to predict ...
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... from the Chinese Annals. With regardto those centuries concerning whichwehave no astronomical Chinese records, it isfairtostate that it is recorded that some centuries before the Christian era,in the reign of TsinChiHoang, all the ...
... from the Chinese Annals. With regardto those centuries concerning whichwehave no astronomical Chinese records, it isfairtostate that it is recorded that some centuries before the Christian era,in the reign of TsinChiHoang, all 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 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 sunspot supposed surface telescope terrestrial thatthe theearth themoon theory thesame thesolar thesun tobe tothe Tycho Brahe Uranus velocity Venus Verrier William Herschel withthe zenith