5, 4, 3, 2, 1... 18h02m16s. As planned, to within a second – the window allowed for this launch – the Ariane 6 launcher, 60 metres high and weighing 500 tonnes, lifted off northwards on Tuesday, 4 November, from Kourou (French Guiana), carrying the Sentinel 1D satellite, weighing 2.2 tonnes, for the European Copernicus programme for Earth observation.
From the Toucan site, 5 km from the launcher, there is silence – only the countdown to the launch can be heard. Then, in the...