NASA's Unexplained Files

NASA's Unexplained Files· Season 4 · Episode 7

Mystery of the Invisible Planet

S04E07·October 11, 2016·1h·Science

A probe carrying a message to aliens malfunctions as it enters deep space. A NASA mission goes disastrously wrong when an imposter breaches Mission Control. Astronomers may have found an invisible planet around a distant star.

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