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NASA has been closely monitoring the South Atlantic Anomaly, a large region of weakened magnetic intensity above Earth between South America and southwest Africa. This anomaly poses a threat to satellites and spacecraft passing through it, as they are exposed to high-energy particles from the Sun that can cause malfunctions. Scientists believe the anomaly is caused by a complex interplay of Earth’s molten iron core and the African Large Low Shear Velocity Province. Recent studies have shown that the anomaly is not a new occurrence and may have been present for millions of years. NASA continues to study the anomaly to better understand its nature and potential impact on Earth’s magnetic field.
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