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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This video contains rushes of the four cylindrical satellites of ESA's Cluster 2, filmed in the clean room of the solar test and integration facilities at IABG, near Munich, Germany, on 24 November 1999.
Cluster 2 is part of an international programme to find out more about how the Sun influences the Earth. Variations in solar energy output can cause global climate changes and damage the ozone layer.
Cluster 2 is a replacement for the original Cluster mission maiden launch of Ariane 5 in June 1996, and will be the first space science mission ever to fly four identical spacecraft simultaneously.
The first pair of Cluster 2 satellites are set for launch, by two Russian Soyuz rockets, from Baikonur Cosmodrome, Kazakhstan, in June 2000. The second pair will follow one month later.
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