Alien Matter in the Solar System - A Galactic Mismatch

1 year ago
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NASA Science ScienceCasts SMD Science Mission Directorate heliophysics astrophysics Milky Way heliosphere solar system Voyager 1

ScienceCast 47: 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.

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