A Powerful Solar Storm Could Render Satellites Inoperable For Years

September 1, 2011

We found that in the absence of the cloud, electromagnetic waves accelerated large numbers of electrons to high speed in Earth’s inner radiation belt, causing a huge increase in radiation there. The inner radiation belt is densest at about 3000 kilometres above Earth’s equator, which is higher than low-Earth orbit. But the belt hugs Earth more tightly above high latitude regions, overlapping with satellites in low-Earth orbit.

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