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.