Nasa's Unexplained Files: Rise of the Planet Killer
02:00 am - 03:00 am, Today on Discovery Science (167)
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Rise of the Planet Killer
Season 4, Episode 2
Nasa makes a shocking discovery while tracking an asteroid heading toward Earth, and Apollo 12 astronauts bring something unexpected back from the moon
subtitles
16x9
Education/Science/Factual Topics
Unexplained/Mysteries
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