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  1. NASA 50th Anniversary Lecture - Stephen Hawking - Part 3

    NASA 50th Anniversary Lecture - Stephen Hawking - Part 3

    16
  3. Voyagers’ Mission to the Outer Solar System 1977 Vintage Video

    Voyagers’ Mission to the Outer Solar System 1977 Vintage Video

    14
  4. THE WOW! SIGNAL (Mini Documentary)

    THE WOW! SIGNAL (Mini Documentary)

    8
  5. Why a Voyage to Proxima Centauri Would Kill Everyone

    Why a Voyage to Proxima Centauri Would Kill Everyone

    21
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