Bok
08-25-2011, 04:08 PM
Dust shows where most space rocks come from
More... (http://www.sciencenews.org/view/generic/id/333756/title/Asteroid_sample_nails_meteorite_source)
More... (http://www.sciencenews.org/view/generic/id/333756/title/Asteroid_sample_nails_meteorite_source)