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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ESA's Atmospheric Reentry Demonstrator (ARD), to be launched aboard the third Ariane-5 flight (Ar-503), in 1998, is a major step towards developing a European return-to-Earth capability. The 2.8 t, 2.80 m-diameter unmanned Apollo-shape capsule is sized according to Ariane-5's dual-launch performance. Some 200 sensors will monitor aerodynamic, aerothermodynamic, thermal protection and reentry blackout conditions. Ariane-5 will inject ARD into a suborbital trajectory peaking at 830 km altitude for splashdown and recovery in the Pacific Ocean after a 100 min flight. [Image Date: 01-04-98] [98.05.014-004]