The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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Sentinel-3A's preparation is finished and the satellite will soon be shipped to the Russian Cosmodrome of Plesetsk, in Northern Russia for its launch on top of a Rockot planned end of this year. Carrying a suite of state-of-the-art instruments, Sentinel-3 is set to play a key role in Copernicus, the world’s largest environmental monitoring programme operated by the European Commission. It will provide highly accurate measurements on Earth’s oceans, land, ice and atmosphere.