In the giant impact theory of the Moon's origin,
A)the Moon broke from a rapidly spinning Earth.
B)Earth and its Moon formed from the same cloud of matter.
C)the Moon formed elsewhere in the solar nebula and was later captured by Earth.
D)the Moon formed when a very massive planetesimal smashed into the young Earth.

Question

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The giant impact theory suggests that the Moon formed from the debris left over after a collision between the young Earth and a Mars-sized body, often referred to as Theia. This catastrophic event is believed to have occurred about 4.5 billion years ago, shortly after the formation of the solar system.

In the Giant Impact Theory of the Moon's Origin