The Epicycle, in the Greek Planetary Model, Is the

Multiple Choice

The epicycle, in the Greek planetary model, is the

A) circle centered on Earth about which the center of the smaller circular motion moves.
B) off-center point in the planetary system occupied by Earth.
C) focus of the ellipse that is the orbit of the planet around Earth.
D) small circle through which the planet moves as the center of this circle orbits Earth.