What do the Copernican and Ptolemaic models have in common?
A) elliptical orbits
B) Sun as center of the universe
C) circular orbits
D) Earth as center of universe

Question

Quizplus · Accepted Answer

Both the Copernican and Ptolemaic models feature circular orbits. The Ptolemaic model is geocentric, placing Earth at the center, while the Copernican model is heliocentric, placing the Sun at the center. However, both initially used circular orbits to describe the movements of celestial bodies.

What Do the Copernican and Ptolemaic Models Have in Common