History of Astronomy |
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... confirmed by Egyptian and Chineseobservations onthelength of the shadow ofavertical pillar,made thousands of years before the Christian era, in summerand winter. There are otherreasons why we mustbe tolerant of the crude notions ofthe ...
... confirmed by Egyptian and Chineseobservations onthelength of the shadow ofavertical pillar,made thousands of years before the Christian era, in summerand winter. There are otherreasons why we mustbe tolerant of the crude notions ofthe ...
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... was in conjunction with the otherfour planets. Butthis needs confirmation. Yao, referredto above, gaveinstructions to his astronomersto determine the positionsofthe solsticesand equinoxes, and they reported the names of the stars in.
... was in conjunction with the otherfour planets. Butthis needs confirmation. Yao, referredto above, gaveinstructions to his astronomersto determine the positionsofthe solsticesand equinoxes, and they reported the names of the stars in.
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... confirming our knowledge ofits continuous diminution during historical times. He measured an arc of meridian, from Alexandria to Syene (Assuan), and found the differenceof latitude by thelength of ashadow at noon, summer solstice.He ...
... confirming our knowledge ofits continuous diminution during historical times. He measured an arc of meridian, from Alexandria to Syene (Assuan), and found the differenceof latitude by thelength of ashadow at noon, summer solstice.He ...
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... ; showsthatin springtime on the Mediterranean the Bear wasjustabovethe horizon, near the sea but not touching it,between 750 B.C. and1000 B.C.; and fixes the date of the poems, thus confirming other evidence, and establishing.
... ; showsthatin springtime on the Mediterranean the Bear wasjustabovethe horizon, near the sea but not touching it,between 750 B.C. and1000 B.C.; and fixes the date of the poems, thus confirming other evidence, and establishing.
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George Forbes. date of the poems, thus confirming other evidence, and establishing Homer's character for accuracy. [3] (4) The orientation ofEgyptian templesandDruidical stones issuchthat possibly they weresoplaced asto assist in the ...
George Forbes. date of the poems, thus confirming other evidence, and establishing Homer's character for accuracy. [3] (4) The orientation ofEgyptian templesandDruidical stones issuchthat possibly they weresoplaced asto assist in 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 sunÂspot supposed surface telescope terrestrial thatthe theearth themoon theory thesame thesolar thesun tobe tothe Tycho Brahe Uranus velocity Venus Verrier William Herschel withthe zenith