Including Original "Paul H. Letters" Copyright © 1996-2017 Paul V. Heinrich - All rights reserved.



Sunday, 21 May 2017

Supernova and Mass Extinctions

Supernova and Mass Extinctions

Distance at which supernova would spark mass extinctions on Earth, University of Kansas, May 11, 2017
https://www.sciencedaily.com/releases/2017/05/170511115935.htm

http://news.ku.edu/2017/05/08/research-increases-distance-which-supernova-would-spark-mass-extinctions-earth

What’s a safe distance between us and a supernova?
by EarthSky, May 7, 2017
http://earthsky.org/astronomy-essentials/supernove-distance

Yours,

Paul H.

No comments: