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The Soyuz rocket that will take Sentinel-1B, three CubeSats and Microscope into orbit is rolled out to the launch pad in preparation for liftoff on 22 April 2016. Once in orbit, Sentinel-1B will provide radar images of Earth for Europe’s Copernicus environmental monitoring programme. With the Sentinel-1 mission designed as a two-satellite constellation, Sentinel-1B will join its identical twin, Sentinel-1A, which was launched two years ago. More about Sentinel-1:
