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Small Asteroid or Comet 'Visits' from Beyond the Solar System

26 Oct 2017, 18:10 UTC
Small Asteroid or Comet 'Visits' from Beyond the Solar System NASA/JPL-Caltech

A small, recently discovered asteroid -- or perhaps a comet -- appears to have originated from outside the solar system, coming from somewhere else in our galaxy. If so, it would be the first "interstellar object" to be observed and confirmed by astronomers.

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