Apparent Retrograde Motion (Visual Explanation)
History of Astronomy Part 3: Copernicus and Heliocentrism
An animation to explain the (apparent) retrograde motion of Mars, using actual 2020 planet positions
Heliocentrism and Geocentrism
Geocentric vs Heliocentric Model of the Universe
Heliocentric Retrograde Motion Explained Animation
What is Planetary Retrograde. A Complete Description. (In under 3 minutes).
Geocentric Explanation for Retrograde Motion
How Does Retrograde Motion Work?
How can Planets be in Retrograde? Geocentrism Explained
Mercury retrograde, explained WITHOUT astrology
Retrograde Motion
Ch03C Heliocentric Model Retrograde Motion
Copernican Explanation for Retrograde Motion
retrograde motion & phases of Venus in the geocentric Solar System model
retrograde motion & phases of Venus in the heliocentric Solar System model
Retrograde Motion and the Copernican Explanation
Heliocentric Model: Quick Review
Planetary Motion: Brahe, Kepler & Galileo