[meteorite-list] Supernova and Mass Extinctions
From: Paul <etchplain_at_meteoritecentral.com>
Date: Sat, 20 May 2017 11:13:35 -0500
Distance at which supernova would spark mass
extinctions on Earth, University of Kansas, May 11, 2017
What?s a safe distance between us and a supernova?
by EarthSky, May 7, 2017
Received on Sat 20 May 2017 12:13:35 PM PDT