• Earth.com

Like Neil Armstrong, NASA astronaut Alan Shepard is a hugely revered figure within American history and culture. That’s hardly surprising, though, considering that he was the first U.S. citizen to ever travel into space and that he later reached the Moon in 1971. It was during this latter mission, in fact, that he did something crazy that’s fascinated people ever since. What he did up on the Moon has been the subject of intense speculation over the decades, but now an expert has finally cleared things up. Photo Credit: NASA/Wikipedia Commons

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