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The Formation of the Moon

According to the collisional ejection theory, how did the moon form?

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The Formation of the Moon

Currently, the theory that best explains all the evidence is the collisional ejection theory.

According to the collisional ejection theory, the Moon formed when a Mars-sized planetesimal struck the Earth. Some of the debris from the impact coalesces to form the Moon in its orbit about the Earth (Source: Freedman R. A., & Kaufmann ...

Solution Summary

According to the collisional ejection theory, this solution exmaines how the moon formed. References are provided.

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