A quote by Claudius Ptolemy

Ptolemy was a Greco-Roman mathematician, astronomer and geographer.

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"I know that I am mortal... but when I search out the massed wheeling circles of the stars, my feet no longer touch the earth." // Claudius Ptolemy (100 - †160)
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"Ptolemy refers to observations made by Hipparchus between 161 and 126 B.C. Hipparchus, in investigating the movements of the sun, moon, and planets, adhered to the geocentric system." (Heath, 1932).

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Used Source:
Greek Astronomy // Thomas L. Heath (1932)

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