Some of the early planetesimals that formed the solar system still survive today. Where would you find such planetesimals?
A) on the tallest mountains on Earth
B) in orbit around Mercury
C) in the asteroid and Kuiper belts
D) under the permafrost of Mars
E) you can't fool me, such planetesimals were swept up by the Sun long ago; none remain

Question

Quizplus · Accepted Answer

The asteroid and Kuiper belts are regions of the solar system where many planetesimals, including asteroids and comets, are still found today. These are thought to be some of the early building blocks of the solar system that were not incorporated into planets or moons.

Some of the Early Planetesimals That Formed the Solar System