Europe’s powerful Ariane 6 rocket launches Sentinel-1D Earth-observation satellite to orbit (video)

Europe’s Ariane 6 heavy-lift rocket took to the skies for the fourth time ever today (Nov. 4).

An Ariane 6 lifted off from Europe’s Spaceport in Kourou, French Guiana today at 4:02 p.m. EST (2102 GMT; 6:02 p.m. local time in Kourou), carrying the…