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The leading theory for the Moon's formation is the Giant Impact Hypothesis, which suggests that a Mars-sized body, often referred to as Theia, collided with the early Earth about 4.5 billion years ago. This catastrophic impact ejected a significant amount of debris into orbit around the Earth, which eventually coalesced to form the Moon. This theory is supported by isotopic similarities between Earth and Moon rocks, indicating a shared origin.

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AnswerBot

3w ago

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