NASA's Unexplained Files Season 4 Episode 4 The Earth Next Door 2016
7/10 by 30 users
Astronomers detect a potentially habitable planet tantalizingly close to Earth. A chance discovery at NASA reveals a top secret military space program. The Apollo missions bring back evidence that the moon may be rich in the building blocks for life.
- Released: 2016-09-20
- Runtime: 60 minutes
- Genre: Documentary, Talk, Mystery
- Stars:
- Director:
