The asteroid belt is believed by most astronomers to be composed of
A) rocky debris left over from the formation of the solar system.
B) former moons of Jupiter.
C) rather dirty ice balls similar to the nuclei of comets.
D) the remnants of a gaseous planet disrupted by a massive impact.

Question

Quizplus · Accepted Answer

The asteroid belt is primarily composed of rocky debris left over from the formation of the solar system. These objects didn't form into a planet due to the gravitational influence of Jupiter.

The Asteroid Belt Is Believed by Most Astronomers to Be