History of Astronomy |
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... moon with as much confidence asit isaffirmed in Lord Wolseley's Soldier's Pocket Book. Even if the scientific spirit of ... moon's longitude and the node of her orbitthanany that could be obtained from modern observationsmade with ...
... moon with as much confidence asit isaffirmed in Lord Wolseley's Soldier's Pocket Book. Even if the scientific spirit of ... moon's longitude and the node of her orbitthanany that could be obtained from modern observationsmade with ...
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... moon's orbit revolves justonce round the poleofthe ecliptic,and for this reason the eclipses in one cycleare repeated with very slightmodification in the next cycle,and so on for many centuries. It maybethat theneglect of their dutiesby ...
... moon's orbit revolves justonce round the poleofthe ecliptic,and for this reason the eclipses in one cycleare repeated with very slightmodification in the next cycle,and so on for many centuries. It maybethat theneglect of their dutiesby ...
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... moon's orbit and its inclination to the ecliptic. Themotion of thisplaneround the pole of the ecliptic oncein eighteen yearscomplicated the problem.He located the moon'sexcentric ashehaddone the sun's. He also discoveredsomeof theminor ...
... moon's orbit and its inclination to the ecliptic. Themotion of thisplaneround the pole of the ecliptic oncein eighteen yearscomplicated the problem.He located the moon'sexcentric ashehaddone the sun's. He also discoveredsomeof theminor ...
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... moon's apse, and thought he detected a smaller progression of the sun's apse. His tables weremuch more accurate than Ptolemy's. Abul Wefa, inthe tenth century, seems to have discovered the moon's "variation." Meanwhile the Moors were ...
... moon's apse, and thought he detected a smaller progression of the sun's apse. His tables weremuch more accurate than Ptolemy's. Abul Wefa, inthe tenth century, seems to have discovered the moon's "variation." Meanwhile the Moors were ...
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... moon's motion, due, aswenow know,to the disturbing attraction ofthe sun. To correct forthese irregularities Copernicus introduced epicycle onepicycle in the lunar orbit. This isinits main features thesystem propounded by Copernicus.But ...
... moon's motion, due, aswenow know,to the disturbing attraction ofthe sun. To correct forthese irregularities Copernicus introduced epicycle onepicycle in the lunar orbit. This isinits main features thesystem propounded by Copernicus.But ...
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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