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	Understanding Planetary Motions and Retrograde Motion (Jason Kendall) View
	Retrograde Motion of Planets Explained (Nooch 86) View
	Retrograde Motion (UNL Astronomy) View
	How can Planets be in Retrograde Geocentrism Explained (The Science Asylum) View
	How Does Retrograde Motion Work (Earth Science Classroom) View
	The Motions of the Planets and Retrograde Motion (Caoimhin's Content) View
	Earth's motion around the Sun, not as simple as I thought (Aryan Navabi) View
	Understanding Planetary Motions (Zack Frame) View
	The Motion of Planets and the Geocentric Model (Jason Kendall) View
	Retrograde Motion (Starwaders) View