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A Mysterious Anomaly Under Africa Is Radically Weakening Earth’s Magnetic Field

Earth’s magnetic field doesn’t just give us our north and south poles; it’s also what protects us from solar winds and cosmic radiation – but this invisible force field is rapidly weakening, to the point scientists think it could actually flip, with our magnetic poles reversing.As crazy as that sounds, this actually does happen over vast stretches of time. The last time it occurred was about 780,000 years ago, although it got close again around 40,000 years back.When it takes place, it’s not quick, with the polarity reversal slowly occurring over thousands of years.Nobody knows for sure if another such flip is imminent, and one of the reasons for that is a lack of hard data.The region that concerns scientists the most at the moment is called the South Atlantic Anomaly – a huge expanse of the field stretching from Chile to Zimbabwe. The field is so weak within

Source: A Mysterious Anomaly Under Africa Is Radically Weakening Earth’s Magnetic Field

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