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Brian Greene with Joe Rogan. Brian Greene is an American theoretical physicist, mathematician, and string theorist. He has been a professor at Columbia University since 1996.
Posted 4 years ago by knina in category: space   Comments (0)


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Posted 16 years ago by boyt in category: space   Comments (0)


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A message from the Interstellar Safety Council.
Posted 10 years ago by xigo in category: space   Comments (0)



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What exactly makes a journey to Mars so perilous?
Posted 8 years ago by chaubursin in category: space   Comments (0)


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Posted 6 years ago by dylan91 in category: space   Comments (0)