It was one of the most audacious space missions ever. This is #Rosetta: The whole story https://t.co/64PXVQShAg http://pic.twitter.com/Xlsr8B4OyS
— BBC Future (@BBC_Future) September 30, 2016
via Twitter https://twitter.com/BBC_Future
September 30, 2016 at 02:56PM
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