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-6/Jason-CS will map up to 95% of Earth’s ice-free ocean every 10 days in order to monitor sea level variability. The radar altimeter will also measure the ocean surface topography – the hills and valleys of the ocean – that help us to map ocean currents. In addition it will provide estimates of wind speed and wave height for maritime safety. The mission builds on heritage from the Jason series of satellites, Copernicus Sentinel-3 and ESA’s CryoSat mission. It will also complement ocean information from Sentinel-3 – the other member of the Copernicus altimetry constellation.