Asteroids and comets are
A) planetesimals left over from the era of planet formation
B) former moons of the jovian planets that were lost into interplanetary space
C) the remnants of early planets that fragmented into pieces
D) fragments of material blasted from the inner planets during the era of planet formation

Question

Quizplus · Accepted Answer

Asteroids and comets are planetesimals left over from the era of planet formation. They are remnants of the original building blocks that formed the planets in our solar system.

Asteroids and Comets Are