#OTD 25 December 2004, our #Huygens probe was successfully released by the international #Cassini orbiter toward Saturn’s largest moon Titan. On 14 January 2005, Huygens would descend to its surface. Follow @ESA_history for more: https://t.co/pIoW1kGgzl pic.twitter.com/fMoZN2UWfI

— ESA (@esa) December 25, 2017