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Alien Matter in the Solar System: A Galactic Mismatch

10 Feb 2012, 14:57 UTC
Alien Matter in the Solar System: A Galactic Mismatch

"Alien matter" detected by a NASA spacecraft orbiting Earth shows that the chemical make-up of our solar system differs from that of the surrounding galaxy. Researchers discuss the possible meaning of this mismatch in today's story from Science@NASA.

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