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S2, E1: A UFO crashes in Pennsylvania. Was it a secret Soviet satellite, or something far more dangerous? On Mercury, NASA finds the impossible: frozen water.
Documentary · 2 Mar 2015 · 41 min
Information
- Released
- 2015
- Run Time
- 41 min
- Rated
- 12+
- Region of Origin
- United States
- © 2015 Discovery Communications Inc.
Languages
- Original Audio
- English
- Audio
- English (United Kingdom) (AAC)
- Subtitles
- Arabic (Saudi Arabia)