The South Atlantic Anomaly (SAA), a region where Earth's magnetic field is weakening, extends across South America and the southern Atlantic Ocean.
Recent findings indicate an increase in its size, with the U.S. National Oceanic and Atmospheric Administration (NOAA) reporting a 5% westward expansion over the past three years as of January 2023.
The anomaly's highest intensity covers Argentina, Brazil, Paraguay, and Uruguay, but it will eventually impact Bolivia, Chile, Peru, and other regional countries.
The SAA's presence allows space radiation to penetrate closer to Earth's surface, which can affect both low-orbit technology and. . .
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