Bok
02-14-2013, 08:12 PM
Evidence emerges that intense stellar explosions send high-energy protons hurtling through the galaxy
More... (http://www.sciencenews.org/view/generic/id/348304/title/News_in_Brief_Supernovas_are_cosmic_ray_factories)
More... (http://www.sciencenews.org/view/generic/id/348304/title/News_in_Brief_Supernovas_are_cosmic_ray_factories)