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Title: In the Ptolemaic model, retrograde motion is due to Post by: adreamer on Sep 9, 2017 In the Ptolemaic model, retrograde motion is due to
A) relative motion between the Earth and another planet in its orbit B) the Earth reversing the direction of its orbit about the Sun C) a planet moving backwards in its smaller circular circle, the center of which moves in a larger circular orbit around the Earth D) a planet reversing the direction of its orbit about the Sun Title: Re: In the Ptolemaic model, retrograde motion is due to Post by: Donskoy on Sep 9, 2017 Content hidden
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