The Copernican system was no more accurate than the Ptolemaic system in predicting the positions of the planets because ___________just as in the Ptolemaic system.
A) the Copernican system assumed the Earth was at rest at the center
B) the Copernican system used elliptical planetary orbits
C) the Copernican system used uniform circular motion
D) the Copernican system assumed all planets orbited the sun

Question

Quizplus · Accepted Answer

The Copernican system used uniform circular motion, which was similar to the Ptolemaic system, leading to similar inaccuracies in predicting planetary positions.

The Copernican System Was No More Accurate Than the Ptolemaic