In Ptolemy's view of the universe, a planet moves on an epicycle whose center moves around the Earth on the deferent circle.
A) Correct
B) FALSE; Ptolemy put the sun at the center.
C) FALSE; The planet stays on the deferent circle.
D) FALSE; Earth is at the center of the epicycle.
E) FALSE; Both c and d are correct.

Question

Quizplus · Accepted Answer

Ptolemy's model of the universe is geocentric, meaning the Earth is at the center. According to his model, each planet moves on an epicycle, which is a small circle whose center moves around the Earth on a larger circle called the deferent.

In Ptolemy's View of the Universe, a Planet Moves on an Epicycle