http://astroaviator.com From Aviation to Space Exploration, it's all in it... Fri, 25 Nov 2011 07:17:18 +0000 en hourly 1 http://wordpress.org/?v=3.3.2 http://astroaviator.com/2009/08/29/space-death-rays/ http://astroaviator.com/2009/08/29/space-death-rays/#comments Sat, 29 Aug 2009 14:24:02 +0000 Assad http://astroaviator.com/?p=424 Mass extinctions have often been linked to asteroid impact or increased volcanism but another cause has recently emerged- cosmic rays. These high energy particles constantly bombard the earth and are believed to have played a part in the evolution of life on our planet. A large number of species can be wiped out either indirectly [...] Related posts:

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