Supernova explosion impacted Earth within the last 9 million years

ENN
Apr 7, 2016, 9:47 am13 pts
Two new papers appearing in the journal Nature this week are "slam-dunk" evidence that energies from supernovae have buffeted our planet, according to astrophysicist Adrian Melott of the University of Kansas.Melott offers his judgment of these studies in an associated letter, entitled "Supernovae in the…

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