Why Earth’s Magnetic Pole Reversals Are So Fascinating
Why Earth’s Magnetic Pole Reversals Are So FascinatingA rare geological event occurs every 300,000 years or so: the Earth’s magnetic poles flip. The magnetic poles are the two ends of the magnetosphere, which surrounds the Earth like a giant, invisible force field. This celestial shield protects the planet by fending off solar wind, particle radiation and cosmic rays – particles which, if...
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