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. |
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