Question

According to Hanson, there are two "great facts" about the heavens

(Ptolemy calls them the two "primary motions" of the heavens). Compare how ptolemy and Copernicus account for the "first fact": daily east-to-west motion of the heavenly bodies.


I don't really understand this question and I'm unable to find Copernicus view on it. Please help.

According to Hanson, there are two 'great facts' about the heavens (Ptolemy calls them the two 'primary motions' of the heavens). Compare how ptolemy...
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