Sentinel-2B launched

Sentinel-2B, Europe’s new satellite, has just been launched to join an identical spacecraft, Sentinel-2A, which is already in orbit. Between them they will photograph all land surfaces and coastal waters in visible and infrared light to provide a complete map of the Earth every 5 days.

The images will be used  for, amongst other things, urban planning, air-quality monitoring, tracking deforestation and glacier retreat.

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