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#thecosmosnews What the South Atlantic Anomaly is and why it could cause chaos on Earth
Scientists are closely monitoring the South Atlantic Anomaly (SAA) — a vast region where Earth’s magnetic field is significantly weaker than normal. This anomaly, which stretches over the South Atlantic Ocean and parts of South America, has been expanding and shifting eastward for over a decade. Recent data from the European Space Agency (ESA) reveal that the anomaly is not only growing but also developing a secondary weak zone toward southern Africa, raising new concerns about its impact on satellites, spacecraft, and the stability of Earth’s magnetic shield.
The South Atlantic Anomaly has become one of the most studied magnetic irregularities in recent years, as scientists uncover how deep-Earth processes influence what happens in space above us.
What Is the South Atlantic Anomaly?