RT @BBC_Future: Rosetta: How a hare-brained scheme to land a robot on a comet became reality bbc.in/1EvGWKH @ESA_Rosetta http://t.co/Z06YIxrufK
RT @BBC_Future: Rosetta: How a hare-brained scheme to land a robot on a comet became reality bbc.in/1EvGWKH @ESA_Rosetta http://t.co/Z06YIxrufK