NASA's Unexplained Files Season 3 Episode 4 - Spacewalk of Doom

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Synopsis: An astronaut on a spacewalk begins to drown. How could this terrifying event happen? Have NASA scientists discovered an asteroid that’s been converted into a spacecraft? What are the strange objects spotted when NASA sends a top-secret payload into space? On NASA’s Unexplained Files, strange flying objects have been caught on NASA’s cameras and astronauts have reported seeing UFOs. Some of the odd sha…

Air Date: April 29, 2015

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