08. How far is it in miles around the Moon? (A K2S Question)

From The Space Library

The circumference of a circle is defined as 2Π r and is derived from the area of that circle Πr2 . The Moon has an average radius of 1,080 miles, and Π equals 3.14159, so the Moon's circumference is about 6,785 miles.

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Answer provided by Thomas Matula, Ph.D. & Kenneth J. Murphy

Question and Answer extracted from the book Kids to Space - by Lonnie Schorer

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