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Home Q & A Board Science-Related Homework Help Physics Astronomy
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barry barry
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10 years ago
Of the Ptolemaic and Copernican models, who wins the battle of Occam's Razor for the simplest explanation of retrograde motions?
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#1
10 years ago
Copernicus simply had retrograde motion resulting from the different speeds of the planets, with retrograding occurring any time one planet overtook another.  Ptolemy by contrast needed complex deferents, epicycles, and equants to handle the complex planetary motions.
Would you know my name, if I saw you in heaven?

Eric Clapton
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barry Authorbarry
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10 years ago
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3 years ago
Copernicus simply had retrograde motion resulting from the different speeds of the planets, with retrograding occurring any time one planet overtook another. Ptolemy by contrast needed complex deferents, epicycles, and equants to handle the complex planetary motions.
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