Claudius Ptolemy - Perth Observatory

Claudius Ptolemy, Latin in full Claudius Ptolemaeus (born c. 100—died c. 170), was an Egyptian astronomer, mathematician, and geographer of Greek descent who flourished in Alexandria during the 2nd century. The name Claudius Ptolemaeus is composed of the Greek name Ptolemaeus and the Roman name Claudius. However, he is believed to have been born in Thebaid […]

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The Life of Astronomer Claudius Ptolemy

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The Life of Astronomer Claudius Ptolemy