Big day tomorrow for ESA satellites! - 10:38 UTC: PROBA-3 will launch on 🇮🇳 PSLV! A very exciting mission to achieve millimetre-precision formation flying, to observe the Solar corona. - 21:20 UTC: Sentinel-1C launching on the return-to-flight of 🇪🇺 Vega-C, whose second stage nozzle was redesigned.

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