What is the main difference between the heliocentric theory and geocentric theory of the solar system? A.
The heliocentric theory has Earth as the center of the solar system, and the geocentric theory has the Sun as the center of the solar system.

B.
The heliocentric theory has Earth moving around the Moon, and the geocentric theory has the Sun moving around the Moon.

C.
The heliocentric theory has the Sun as the center of the solar system, and the geocentric theory has the Earth has the center of the solar system.

D.
The heliocentric theory has the Sun moving around the Earth, and the geocentric theory has Earth moving around the Sun.