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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Second Galileo Full Operational Capability (FOC) satellite following acoustic testing simulating the extreme noise of a rocket launch, after the doors of the Large European Acoustic Facility (LEAF) were opened in September 2013. Note the speaker horn embedded in the wall of the LEAF to the left. Microphones surround the satellite to check the sound levels while the blue-insulated lines harness data from accelerometers inside the satellite, checking on internal vibration.