History of Astronomy |
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... Mercury wereall between the eleventh and eighteenthdegrees of Pisces, all visible togetherin the evening on February 28th 2446 B.C., while onthesame day the sun and moon were in conjunctionat 9 a.m., andthat on March 1st the moon was in ...
... Mercury wereall between the eleventh and eighteenthdegrees of Pisces, all visible togetherin the evening on February 28th 2446 B.C., while onthesame day the sun and moon were in conjunctionat 9 a.m., andthat on March 1st the moon was in ...
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... Mercury, Venus, Mars, Jupiter, and Saturn. We have records of observations carried on under Asshurbanapal, who sent astronomers todifferent parts to study celestial phenomena. Here is one:— To theDirector of Observations,—My Lord, his ...
... Mercury, Venus, Mars, Jupiter, and Saturn. We have records of observations carried on under Asshurbanapal, who sent astronomers todifferent parts to study celestial phenomena. Here is one:— To theDirector of Observations,—My Lord, his ...
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... Mercury and Venus were supposed to revolve in their epicycles in their own periodic timesand in the deferentround the earthin a year. The majorplanets were supposed to revolve in the deferent round theearth intheir own periodic times ...
... Mercury and Venus were supposed to revolve in their epicycles in their own periodic timesand in the deferentround the earthin a year. The majorplanets were supposed to revolve in the deferent round theearth intheir own periodic times ...
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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