Sentinel-3A

Replay of the Sentinel-3A liftoff on a Rockot launcher from the Plesetsk Cosmodrome in northern Russia at 17:57 GMT (18:57 CET) on 16 February 2016. Sentinel-3A is the third satellite to be launched for Europe’s Copernicus environment monitoring programme. Designed as a two-satellite constellation – Sentinel-3A and -3B – the Sentinel-3 mission carries a series of cutting-edge instruments for systematic measurements of Earth’s oceans, land, ice and atmosphere. Over oceans, Sentinel-3 measures the temperatu