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	How Does Retrograde Motion Work (Earth Science Classroom) View
	Introduction to Retrograde Motion (Justin Jerome) View
	Retrograde Motion (UNL Astronomy) View
	What is Retrograde Motion (Emily Calandrelli) View
	Retrograde Motion of Planets Explained (Nooch 86) View
	Video 1: Introduction to Retrograde Motion Lab (Prof. Aaron Lee) View
	Retrograde Motion (Starwaders) View
	Retrograde motion (Physics Ohmwork) View
	Why Mercury Goes Into Retrograde (StarTalk) View
	Motion of the Sun, Moon and Planets along the Ecliptic: Intro to Retrograde Motion (Michael Klapp) View