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retrograde motion & phases of Venus in the geocentric Solar System model
retrograde motion & phases of Venus in the heliocentric Solar System model
Apparent Retrograde Motion (Visual Explanation)
Heliocentrism and Geocentrism
Venus Phases in the Heliocentric Model
Ptolemy's Model and the Phases of Venus
How can Planets be in Retrograde? Geocentrism Explained
Retrograde motion
Copernicus's Model and the Phases of Venus
What is Planetary Retrograde. A Complete Description. (In under 3 minutes).
AST 120 Video 18: The Phases of Venus
Venus Retrograde Motion - Fall 2021
