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NASA’s Unexplained Files • SEASON 2 EPISODE 8

Revenge of the Fireflies

NASA’s Unexplained FilesSeason 2Episode 8May 27, 201560 min

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?

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