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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