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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The Copernicus Ground Segment, represented by the light blue triangle, comprises the Core Ground Segment, which is under the responsibility of ESA, complemented by the Sentinel Collaborative Ground Segment and the Contributing Missions Ground Segments. The Core Ground Segment comprises the Sentinel Core Ground Segment and the Coordinated Data Access System. The figure shows how the various components work together.