How well do you know the Moon? Take this twenty-question quiz and see! Don't worry, there are no grades on this quiz. Most of the answers can also be found in my book, The Big Splat.

12. The largest and deepest impact crater known in the solar system is

(A) the Pacific Ocean

(B) the Imbrian Basin, on the near side of the Moon

(C) the South Pole-Aitken Basin, on the far side of the Moon

(D) Chryse Basin, on Mars

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