In the geocentric universe, when is the planet closest to Earth?
A) There is no specific time in the orbit when the planet is closest to Earth.
B) during retrograde motion, westward
C) during direct motion, eastward
D) when the planet is crossing the deferent

Question

Quizplus · Accepted Answer

In the geocentric model, a planet is closest to Earth during its retrograde motion. This is when it appears to move westward against the background stars from our perspective on Earth, due to the complex system of epicycles and deferents used to explain planetary motions in this model.

In the Geocentric Universe, When Is the Planet Closest to Earth