23/11/2020 (Agence Europe) – The Sentinel-6a satellite of the Copernicus programme was launched into orbit on the morning of Saturday 21 November. It will be used to measure the rise of the earth’s waters at the centimetre level and, with the coupling of atmospheric data, it will enable weather forecasts to be modelled with much greater finesse. In an unusual circumstance, the satellite was put into orbit with the help of a Falcon 9 from the American company Space X. NASA, the U.S....