Most of the craters on the Moon are thought to have been caused by
A) collapse of volcanic domes, leaving central peaks in the craters.
B) volcanic activity, leaving behind volcano craters similar to those on Earth.
C) continuous bombardment throughout the Moon's life, including the present and recent past, by large and small asteroids.
D) intense bombardment by large and small bodies over some specific early period in the Moon's history.

Question

Quizplus · Accepted Answer

The majority of the Moon's craters were formed during a period known as the Late Heavy Bombardment, which occurred about 4 billion years ago, when the Moon was intensely bombarded by asteroids and comets.

Most of the Craters on the Moon Are Thought to Have