Ptolemy’s Astronomy Questioned

@inproceedings{Kaufman2001PtolemysAQ,
  title={Ptolemy’s Astronomy Questioned},
  author={Susan Kaufman and J. Pecker},
  year={2001}
}
It was well known by the Greeks who were skilled at geometry that one can save the phenomena or the appearances, that is, formulate a theory that would preserve empirical observation, by different combinations of circular and uniform motions. Aristotle had added that geometry must have some basis in physics. As we have seen, Aristarchus (310–230 BC), a geometer, formulated his heliocentric theory in purely geometric terms. His follower, Seleucus (250–180 BC) searched for a theory that would be… Expand

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