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Watch NASA's Unexplained Files Season 2 Episode 8 Online

  • 7/10
  • COUNTRIES: United States of America,United Kingdom,India
  • Subtitles: English

Something in space is attacking the brains of astronauts. What is it? Should NASA be worried about the sudden appearance of so-called space fireflies? Who is responsible for the bizarre glowing spiral in the skies over Norway?