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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More than two billion smartphones, with users worldwide are now making use of Europe's Galileo navigation satellite constellation. But how do satellites thousands of kilometres away in space manage to tell you where you are and where you're going? Simply being so far away is part of the answer - learn the details of the world's most precise navigation system in this new video.