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Albategni

A distinguished Arabian astronomer, born in Mesopotamia in the 9th or 10th century of our era; his observations extended over 50 years; he so improved the methods and instruments of observation as to earn the title of the Ptolemy of the Arabs.

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创建者

  • JohannesDD
  • (Sydney, Australia)

  •  (V.I.P) 14638 分数
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