The Ptolemaic model has planets moving in
A) elliptical orbits about the Sun
B) a simple circle about the Earth
C) a simple circle about the Sun
D) small circles, the centers of which move in a larger circle about the Earth

Question

Quizplus · Accepted Answer

The Ptolemaic model has planets moving in small circles (epicycles), the centers of which move in a larger circle (deferent) about the Earth. This represents the geocentric view, where Earth is at the center of the universe.

The Ptolemaic Model Has Planets Moving in