History of Astronomy |
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... all the classical and scientific books that could befound were ordered tobe destroyed.If true, our losstherefromisas greatasfrom theburning of the Alexandrianlibrary by the Caliph Omar. Heburnt all the books because he held ...
... all the classical and scientific books that could befound were ordered tobe destroyed.If true, our losstherefromisas greatasfrom theburning of the Alexandrianlibrary by the Caliph Omar. Heburnt all the books because he held ...
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... all revolve round the sun,which itself revolves round an imaginary central fire calledthe Antichthon. Copernicus in the sixteenth centuryclaimed Pythagorasas thefounder of the systemwhich he, Copernicus, revived. Anaxagoras (born499 ...
... all revolve round the sun,which itself revolves round an imaginary central fire calledthe Antichthon. Copernicus in the sixteenth centuryclaimed Pythagorasas thefounder of the systemwhich he, Copernicus, revived. Anaxagoras (born499 ...
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... all, the motion ofeach planetbeing resolved intoitscomponents, and a separate sphere being assigned for each component motion. Callippus (330 B.C.)increasedthe number to thirty three. It isnow generally acceptedthatthe real existence of ...
... all, the motion ofeach planetbeing resolved intoitscomponents, and a separate sphere being assigned for each component motion. Callippus (330 B.C.)increasedthe number to thirty three. It isnow generally acceptedthatthe real existence of ...
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... all parts of the containingsphere, and therewas noreason whyit should incline onewayrather than another. Empedocles attributed its state ofrestto centrifugal force by therapid circular movement of the heavens, as water isstationary in ...
... all parts of the containingsphere, and therewas noreason whyit should incline onewayrather than another. Empedocles attributed its state ofrestto centrifugal force by therapid circular movement of the heavens, as water isstationary in ...
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George Forbes. in so great reverence by all learned men that a problem which he set to the astronomers was the keynote to all astronomical investigation from this date till the time of Kepler in the sixteenth century.He proposed ...
George Forbes. in so great reverence by all learned men that a problem which he set to the astronomers was the keynote to all astronomical investigation from this date till the time of Kepler in the sixteenth century.He proposed ...
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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