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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Hipparcos observed more than 100000 stars during its 3-year observing programme, and has produced positional data for these stars 100 times more precise than could be obtained from telescopes on the ground. The map is in ecliptic coordinates. (From the Hipparcos and Tycho Catalogues, ESA SP-1200 - volume 1.) [Image Date: 01-04-97] [97.05.003-002]