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🚀 On September 15th, 2026, at 03:21 CEST, ESA's FLEX and Copernicus Sentinel-3C satellites successfully launched from Europe's Spaceport in Kourou, French Guiana, aboard the same Vega-C launcher by Avio (mission VV30). They are now flying in tandem formation at an altitude of around 800 km. 🔬 FLEX will observe photosynthesis from space for the first time, thanks to FLORIS, the high-resolution spectrometer developed by Leonardo in Campi Bisenzio (Florence): it will measure photosynthetic activity worldwide and detect early signs of plant stress drought, heat, nutrient scarcity, before visible damage occurs. 🌊🔥 Sentinel-3C will monitor sea and land surface temperature, ocean colour and sea ice thickness with SLSTR, a Leonardo-built radiometer, also capable of detecting wildfires through two dedicated channels. Telespazio played a central role in bringing the missions to orbit and keeping them running: Telespazio Germany led mission control and operations for both satellites, from launch through the Launch and Early Orbit Phase (LEOP) to daily in-orbit management, covering data handling, attitude and orbit control, communications, power and thermal systems. Telespazio France spent several weeks preparing the campaign, planning hundreds of operations across dozens of technical specialties and safely managing high-risk operations around a launcher carrying 170 tonnes of solid propellant. On launch day, its teams stood alongside the COEL (Launch Complex Operations Manager), following the countdown through to liftoff.   Thales Alenia Space served as prime contractor for both satellites.   Read more: https://lnkd.in/eA3F2dSz #Copernicus #EarthObservation #FLEX #Sentinel3 #VV30 #VegaC

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