The fascinating secrets of Moon rocks

Fifty years ago, Apollo 11 returned to Earth with samples of the Moon’s surface. In the years since, these rocks have taught scientists not only about the origins of the Moon — from its ancient volcanic eruptions, to the impacts that formed its gigantic craters — but about Earth too.

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  1. Write a paragraph explaining the giant impact theory.
  2. Buzz Aldrin, the second man to walk on the Moon on the Apollo 11 mission, is now 89 years old. Write down five questions you would ask him if you got the chance.