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.

14. Which is the best description of the Moon's shape?

(A) A sphere.

(B) A slightly elongated sphere (like an American football or rugby ball), with the long axis pointing toward Earth.

(C) A slightly flattened sphere (like a beanbag), with the short axis pointing north-south.

(D) An ellipsoid, with the longest axis pointing toward Earth, the shortest pointing north-south, and the intermediate axis pointing east-west.

Click here to see the answer.

Click here to go to the next question.