Join us for today's Galileo launch: #Ariane5 lifts off with 4 #Galileo navigation sats at 18:36 GMT/19:36 CET
WATCH live from: 18:10 GMT/ 19:10 CET
Satellite separation livestream: 22:00 GMT/23:00 CET https://t.co/l9I0cKf31I pic.twitter.com/hY759IhnkX— ESA (@esa) December 12, 2017
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