Question

How is the geocentric model contrasted with the heliocentric model?

A.
Ptolemy's model was in place much longer than the model Copernicus devised.
B.
The Earth is the center in a geocentric model and the Sun in a heliocentric model.
C.
The planets do not rotate in a heliocentric model but do in a geocentric model.
D.
The Copernican model was more radical in its time than the Ptolemaic model was.

Answer 1

The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the planets revolve around the sun.

Answer 2

Option B.
The Earth is the center in a geocentric model and the Sun in a heliocentric model.