Australia found to have the world’s oldest asteroid impact zone http://j.mp/1OvyDqP

Australia found to have the world’s oldest asteroid impact zone http://j.mp/1OvyDqP:

via Twitter http://j.mp/17L5fpo

http://j.mp/OLW8el

from my Tumblr http://j.mp/1Hw6jPD

March 24, 2015 at 02:07PM