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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Galileo satellite 23 – otherwise known as Full Operational Configuration satellite 19 – being lowered next to its fellow Galileo satellite 24 inside the Satellite Preparation Building of Europe's Spaceport. The satellite pair arrived in French Guiana on 4 May 2018. The red-tagged items on the end of the satellite are Galileo's thrusters for attitude and orbit adjustment.