Sosigenes of Alexandria

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Sosigenes of Alexandria was an astronomer in the 1st century BC. Julius Caesar consulted him, and other astrologers, before introducing the Julian calendar.[1] Sosigenes also influenced Caesar's writing "De astris", but only parts of it remain. Pliny the Elder wrote In his Natural History that Sosigenes observed that the planet Mercury never had an angle greater than 22 degrees towards the sun.

References[change | change source]

  1. Sosigenes of Alexandria from Encyclopaedia Britannica