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Alien Probe or Galactic Driftwood? Seti Tunes In to 'oumuamua

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Interstellar visitor 'Oumuamua

This artist's concept depicts the interstellar visitor known as 'Oumuamua as a battered metallic space rock. Some astronomers, however, speculate that 'Oumuamua may be something far stranger.

Credit:ESO/M. Kornmesser

Ever since its discovery in mid-October as it passed by Earth already outbound from our solar system, the mysterious object dubbed 'Oumuamua (Hawaiian for "first messenger") has left scientists utterly perplexed.

From Scientific American
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