• Question: How old is the moon?

    Asked by anon-225158 to Nawapat on 21 Nov 2019.
    • Photo: Nawapat Kaweeyanun

      Nawapat Kaweeyanun answered on 21 Nov 2019:

      The Moon is 4.51 billion years old, which is almost as old as the Earth (4.54 billion years old). We believe that a young Earth crashed with a Mars-size body called Theia, and the leftover debris combine to make our Moon.

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