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jan 1, 139 - Claudius Ptolemy 140 AD

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In Ancient Greece, Claudius Ptolemy publishes his geocentric theory of the universe in his famous work, Mathematike Syntaxis.

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History of Astronomy Timeline

ByGABRIEL XIONG

26 Nov 2019

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Date:

jan 1, 139

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~ 1888 years ago

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