In His Model of the Motions of the Planets, Copernicus

Multiple Choice

In his model of the motions of the planets, Copernicus

A) assumed that the Earth is the center of the solar system.
B) revived the idea that our solar system is heliocentric (Sun-centered) .
C) found that the planets move in paths shaped like ellipses.
D) was able to make predictions that were much more accurate than Ptolemy's model.