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Double Star TC-1 completes its mission   The orbits of Cluster (in red) and Double Star (in green) are illustrated in the picture. The background shows Earth's magnetic environment.
On of the twin satellites of the Double Star programme (DSP), TC-1 will be decommissioned today. Space is fizzy  Flying in formation around the Earth, they relay detailed information about how solar wind affects our planet in 3D. The satellites are called Rumba, Salsa, Samba and Tango. Oscillations of Earth’s natural cloak of magnetism  An artist's impression of the Double Star mission in orbit. Release date: 16 October 2007 |