Astronomy, Astronaut & Alien Humor 

Moon pies were invented in 1919 by Earl Mitchell. His son Ed Mitchell Jr.  wrote "I’m sorry dad didn’t patent that thing. I’d have a Cadillac on each foot."

A moon pie is a pastry which consists of two round graham cracker cookies, with marshmallow filling in the center, dipped in chocolate or other flavors. The traditional pie is about three inches.

What do you get when you take green cheese and divide its circumference by its diameter?
Moon pi.