Roland Piquepaille writes "As you probably know, Earth's magnetosphere, 'the invisible bubble of magnetic fields and electrically charged particles that surrounds and protects the planet from the periodically lethal radiation of the solar wind,' was discovered in 1958. Until now, it was believed to comprise five regions, including the ionosphere or the Van Allen radiation belts. Now, a US research team has discovered a sixth region, called the warm plasma cloak."
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