A look at Greek astronomy from the time of Hesiod and Homer to the spherical model of Aristotle. The writings of Thales, Empedocles, the Pythagoreans and Plato are considered before moving to the sphere's of Eudoxus and Callipus and the synthesis of physics and astronomy by the tutor of Alexander the Great.
Link to Eudoxus' Spheres Animation
Eudoxus of Cnidus
Graphic of a Eudoxian Set of Spheres
A late medieval representation of Aristotle's Spheres
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