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  2. Astronomers Baffled by 35 Years of Mysterious Radio Signals Every 22 Minutes

    Astronomers Baffled by 35 Years of Mysterious Radio Signals Every 22 Minutes

    36
  3. The 22 Minute Mystery - Decoding NASA's Enigmatic Signals

    The 22 Minute Mystery - Decoding NASA's Enigmatic Signals

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  4. NASA report Receiving a Radio Signal Every 22-Minutes for 35 Years

    NASA report Receiving a Radio Signal Every 22-Minutes for 35 Years

    56