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Almagest |
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Almagest: see Ptolemy Ptolemy (Claudius Ptolemaeus), fl. 2d cent. A.D., celebrated Greco-Egyptian mathematician, astronomer, and geographer. He made his observations in Alexandria and was the last great astronomer of ancient times. ..... Click the link for more information. . AlmagestAstronomical and mathematical encyclopedia compiled c. AD 140 by Ptolemy. It served as the basic guide for Arab and European astronomers until the 17th century. The name derives from the Arabic for “the greatest.” Its 13 books cover such topics as the geocentric (Earth-centred), or Ptolemaic, model of the solar system; eclipses; the coordinates and sizes of certain fixed stars; and the distances to the Sun and the Moon. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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