Retrograde Planets

Erin Sullivan

 "Geocentricity might well be egocentricity." The phenomenon of retrograde motion is based on our Earth-centered view of the solar system, but the movement and cycles of retrograde
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Retrograde Planets

Erin Sullivan

 "Geocentricity might well be egocentricity." The phenomenon of retrograde motion is based on our Earth-centered view of the solar system, but the movement and cycles of retrograde
More Info