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Astronomers find evidence for incredible alien technology around a distant star. The first pictures of Pluto may show something moving across its surface. Apollo astronauts see something they can't explain as they approach the Moon.
First Air Date : Mar 27, 2012
Last Air date : May 23, 2019
Episode : 47 Episode
Season : 6 Season
Runtime: 26:14 minutes
Studio: Science
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Crew:
