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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Experimental setup for testing radiation shielding properties of simulated Moon and Mars materials. On the left hand side is lunar regolith, in the middle lunar concrete and on the right hand side Mars regolith. The beam travels from left to right. The thickness of material being tested is based on its 'Bragg peak' - its particular energy loss as ionising radiation travels through it. These tests for ESA's ROSSINI project were carried out at NASA’s Space Radiation Laboratory at Brookhaven in New York through its collaboration with German particle accelerator facility GSI.