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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Swarm består av en "svärm" av tre satelliter, två i parallella banor på strax under 500 kilometers höjd, medan den tredje går i en egen bana. Med tre satelliter kan man mäta förändringar över tiden och i rummets tre dimensioner. Satelliterna är identiska och bär på samma instrument. Om allt går enligt beräkningarna kommer Swarm att sändas upp i oktober 2010.