The Greek astronomers' explanation for the celestial spheres did not encompass the phenomenon of
A) geocentricism.
B) planetary motion.
C) a solar system.
D) retrograde motion.
E) a solar eclipse.

Question

Quizplus · Accepted Answer

The Greek astronomers' explanation for the celestial spheres was that the Earth was at the center, surrounded by a series of transparent spheres containing the stars and planets, which rotated around the Earth at different speeds. However, this explanation did not encompass the concept of a solar system, in which the planets orbit the sun, rather than the Earth.

The Greek Astronomers' Explanation for the Celestial Spheres Did Not