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 PRISMA mission's Tango satellite flying in formation approximately seven metres away from its partner satellite Mango. PRISMA was launched on 15 June 2010 and consists of two satellites, Mango and Tango. The aims of the mission are the demonstration of autonomous satellite formation flying and preparation for future inspection and repair missions in orbit.