Grains found in meteorite may have come from same supernova

04/25/2013 | Space.com

Grains of sand found in two meteorites in Antarctica may have been formed in a single supernova billions of years ago. Scientists speculate that the grains could have been formed in the explosion that began the universe. Researchers identified the rare chemical signature of the grains of silica and determined they came from the same supernova.

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