Nasa's Unexplained Files

The Earth Next Door

Series 3 - Episode 12 The Earth Next Door

Monday 9pm - 10pm Discovery Science
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Tue 29 Oct, 4:40am - 5:30am Discovery Science
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Summary

Astronomers detect a potentially habitable planet that appears to be remarkably close to Earth, and a chance discovery at Nasa unveils a top secret military space program.
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