History of Astronomy |
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... supposed to have been written in 2205 B.C., that a similar sphere wasmadein the time ofYao (2357 B.C.).[1]Itis said thatthe Emperor Chueni (2513B.C.) sawfive planets in conjunction the same day that the sun and moon were in conjunction ...
... supposed to have been written in 2205 B.C., that a similar sphere wasmadein the time ofYao (2357 B.C.).[1]Itis said thatthe Emperor Chueni (2513B.C.) sawfive planets in conjunction the same day that the sun and moon were in conjunction ...
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... supposed theearth tobeflat, and to floatupon water.He determined theratio ofthe sun's diameter toits orbit,and apparently made out the diameter correctly as half a degree. He left nothingin writing. His successors, Anaximander (610547 ...
... supposed theearth tobeflat, and to floatupon water.He determined theratio ofthe sun's diameter toits orbit,and apparently made out the diameter correctly as half a degree. He left nothingin writing. His successors, Anaximander (610547 ...
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... supposed that the starswere lighted eachnightlike lamps, and the suneachmorning. Parmenides supposed the earthto be a sphere. Pythagoras(569470 B.C.) visited Egypt to study science. He deduced his system, in whichthe earthrevolvesin an ...
... supposed that the starswere lighted eachnightlike lamps, and the suneachmorning. Parmenides supposed the earthto be a sphere. Pythagoras(569470 B.C.) visited Egypt to study science. He deduced his system, in whichthe earthrevolvesin an ...
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... supposed theearth to revolve onits axis, butto havenoorbital motion. The short epitome so far givenillustrates the extraordinarydeductive methodsadopted bytheancient Greeks. But they wentmuch fartherin the same direction. They seemto ...
... supposed theearth to revolve onits axis, butto havenoorbital motion. The short epitome so far givenillustrates the extraordinarydeductive methodsadopted bytheancient Greeks. But they wentmuch fartherin the same direction. They seemto ...
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... supposed thatthe inclinationof the flatearth to the ecliptic was due tothe greater weight ofthe southern partsowing to the exuberant vegetation. For furtherreferences to similarefforts of imagination the reader isreferred toSir George ...
... supposed thatthe inclinationof the flatearth to the ecliptic was due tothe greater weight ofthe southern partsowing to the exuberant vegetation. For furtherreferences to similarefforts of imagination the reader isreferred toSir George ...
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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