Aside from developing the system of concentric spheres upon which the epicyclic Ptolemaic arrangement of the solar system was based, what other remarkable achievement was made by this great follower of Plato?
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Answer:
Aside from developing the system of concentric spheres upon which the epicyclic Ptolemaic arrangement of the solar system was based, what other remarkable achievement was made by this great follower of Plato He estimated the solar year to be 365 days and six hours long.
