#DYK that each one of the two #Sentinel3 satellites is designed for a life of at least seven years? But just in case, they have enough fuel to provide up to 12 years of continuous operation 💪🛰️🌊🌲🌍 https://t.co/10EMfvWO8D pic.twitter.com/iOQpnNjkL6

— ESA EarthObservation (@ESA_EO) April 23, 2018