Geocentrism

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Geocentrism

The book of science

Tom Sharp

Claudius Ptolemy astronomy

Geocentrism

Ptolemys

Disorder

Ptolemy, like Aristotle, deduced natural science from first principles. All orbits were circular because the circle is the most perfect geometric figure. Unlike Aristotle, Ptolemy tried to adjust the model to fit the observations.

See also in The book of science:

Readings on wikipedia: