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Research: Strange behavior of Earth’s magnetic field in the South Atlantic believed to be symptoms of an event that repeats every few million years

The Earth is protected from solar wind — a stream of charged particles from the sun — by its geomagnetic field. But this protective barrier is weak in certain areas, particularly south of the Atlantic Ocean. Called the South Atlantic Anomaly (SAA), this area makes it easier for solar wind and other cosmic rays to enter the … Continue reading Research: Strange behavior of Earth’s magnetic field in the South Atlantic believed to be symptoms of an event that repeats every few million years