Benchmark 10A
Historical Perspectives: Displacing the Earth from the Center of the Universe
Grades 9-12, page 241

Ptolemy, an Egyptian astronomer living in the second century A.D., devised a powerful mathematical model of the universe based on constant motion in perfect circles, and circles on circles. With the model, he was able to predict the motions of the sun, moon, and stars, and even of the irregular "wandering stars" now called planets.

See Content Standard G History and Nature of Science (grades 9-12): Historical Perspectives.