Research increases distance at which supernova would spark mass extinctions on Earth
Thursday, May 11, 2017 - 11:32
in Astronomy & Space
In 2016, researchers published "slam dunk" evidence, based on iron-60 isotopes in ancient seabed, that supernovae buffeted the Earth—one of them about 2.6 million years ago. University of Kansas researcher Adrian Melott, professor of physics and astronomy, supported those findings in Nature with an associated letter, titled "Supernovae in the neighborhood."