4 ms·
Not only did they survive, massive asteroid impacts could their means of propagation. http://www.technologyreview.com/view/425093/earth-ejecta-could-have-seede
by JackFr 12y ago
Not only did they survive, massive asteroid impacts could their means of propagation.
http://www.technologyreview.com/view/425093/earth-ejecta-could-have-seeded-life-on-europa/ http://www.technologyreview.com/view/425093/earth-ejecta-cou...