According to the collision-ejection theory, when was the Moon formed?
A) very early, before Earth's interior differentiated
B) after the Late Heavy Bombardment
C) about 60 to 100 million years after the solar system began to form
D) within the past billion years

Question

Quizplus · Accepted Answer

The collision-ejection theory suggests that the Moon was formed about 60 to 100 million years after the solar system began to form, following a massive impact between the early Earth and a Mars-sized body.

According to the Collision-Ejection Theory, When Was the Moon Formed