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stephen hawking ZeroGde cevap ver  selin   27/04/07

For almost four decades, the astrophysicist Stephen Hawking has studied black holes, exploding stars and the origin of the universe from his wheelchair. Last night, the renowned Cambridge University professor took a bold step of his own by experiencing the weightlessness of space firsthand on a zero-gravity trip over the Atlantic. http://www.guardian.co.uk/science/story/0,,2066631,00.html Keywords:stephen hawking briefhistoryoftime Kategori: diger