
The Basic Features of Hellenistic Science as Seen from Ptolemaic Astronomy
Basic Content and Historical Sources of Ptolemaic Astronomy Ptolemy (Claudius Ptolemy, c. 150 CE) lived and worked in Alexandria under Roman rule in the late Hellenistic period. Ancient astronomy reached its summit in Ptolemy’s hands, “Just as Euclid summed up the mathematics of the Greek classical age and wrote the famous Elements, Ptolemy systematically synthesized the outstanding achievements of Greek astronomy and produced the work that would be handed down through the ages, the Almagest. This 13-volume treatise was hailed by the Arabs as ‘greatest of the great,’ and as a result its title became the Almagest (Almagest).”[1] In the Almagest, Ptolemy set out the full set of geometric models…
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