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Title: Apparent retrograde motion occurs when a planet appears to Post by: adreamer on Sep 9, 2017 Apparent retrograde motion occurs when a planet appears to
A) be stationary with respect to background stars B) move eastward with respect to background stars C) move due north with respect to background stars D) move westward with respect to background stars Title: Re: Apparent retrograde motion occurs when a planet appears to Post by: Donskoy on Sep 9, 2017 Content hidden
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