How to land on a comet

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April 9, 2015 Today’s TED Talk Fred Jansen: How to land on a comet 17:47 minutes · TED2015 As manager of the Rosetta mission, Fred Jansen was responsible for the successful 2014 landing of a probe on the comet known as 67P/Churyumov-Gerasimenko. In this fascinating and funny talk, Jansen reveals some of the intricate calculations that went into landing the Philae probe on a comet 500 million kilometers from Earth -- and shares some incredible photographs taken along the way. Watch now » Playlist of the Day Tech breakthrough These onstage demos offer a mind-blowing peek at where technology is taking us. Flying robots, levitating superconductors, brainwave-reading headsets and more … Watch » 14 talks · Total run time 2:32:11 Become a Fan on Facebook Follow us @TEDTalks Read more at ideas.ted.com  Get the TED app for iPhone, iPad and Android

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