Friday, March 25, 2005
4:00 PM
Physics Building, Room 204
Note special time.

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"Planetary Models From the Middle Ages"

E. Paschos , University of Dortmund, Germany
[Host: Brad Cox]
A small and compact article from AD 1300 describes models for the planets and the moon. It proposes epicyclic theories which deviate from Ptolemy' s Almagest. The Colloquium reviews the models and their accuracy . Then compares them with Arabic models of that time as well as the Newtonian theory. It also demonstrates how scientific knowledge was preserved in the Middle Ages and was transmitted to Italy to spark the beginning of the Copernican Rovolution.

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