Asteroids: the good, bad and ugly. Asteroids bring destruction, but they are also messengers from the origin of the solar system. Could pressure from photons -- particles of light -- actually change the orbits of asteroids? Can asteroids have ice? Can asteroids have organic molecules? How big does an asteroid need to be before we worry about it?
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- Buddhist 'iron man' found by Nazis is from space: https://plus.google.com/u/0/104401121686781166984/posts/6Lgdyt2hMZSSep 26, 2012