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Ptolemy

  Link Details for: Ptolemy
Link Title: Ptolemy Open in a new window
Link URL: http://space.about.com/cs/astronomerbios/a/ptolemybio.htm
Link Details: An astronomer, mathematician and geographer who lived in Alexandria, Egypt. We know very little more of his life. He classified the Greek geocentric view of the universe, and calculated the apparent motions of the planets.
Category: Top : Kids_and_Teens : People_and_Society : Biography : Astronomers
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Ptolemy