Scientists have discovered that the South Atlantic Anomaly (SAA), a weak spot in Earth’s magnetic field, is growing and shifting, posing risks to satellites.
The South Atlantic Anomaly now spans over 4.3 million square miles and is moving westward, allowing harmful radiation to penetrate closer to Earth's surface.
Models suggest that the SAA will continue to evolve and potentially split into distinct regions, presenting future challenges for satellite operations.
Experts warn that the SAA’s weakening magnetic intensity and movement may indicate an imminent pole reversal, a phenomenon last recorded 780,000 years ago.
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