A new “alien spacecraft” paper poses a challenge for astrophysicists

  1. A new “alien spacecraft” paper poses a challenge for astrophysicists  Quartz
  2. ‘Oumuamua, oh my! Was interstellar object actually an alien solar sail? Not so fast  Yahoo News
  3. How to spot internet alien panic from a light-year away  Mashable
  4. Interstellar object may have been alien probe, Harvard paper argues, but experts are skeptical  CNN
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