Alien Probe or Galactic Driftwood - discu.eu

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Alien Probe or Galactic Driftwood? SETI Tunes In to 'Oumuamua https://www.scientificamerican.com/article/alien-probe-or-galactic-driftwood-seti-tunes-in-to-oumuamua/ 26 comments 11/12/2017 space