Topic: Space - on December 7, 2006 at 10:31:00 AM CET
Magnetic whirlpools feed Earth’s magnetosphere
Giant whirlpools of electrically charged gas, some 40 000 kilometres across, have been witnessed above the Earth by a team of European and American scientists. Using data from ESA's Cluster quartet of spacecraft, the researchers have shown that these whirlpools inject electrified gas into the magnetic environment of the Earth.
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