Potential for Global Catastrophe
Earth’s magnetosphere acts like a protective shield that deflects most solar particle explosions. However, very strong geomagnetic disturbances can cause serious problems to our technology and infrastructure. The biggest risks include damage to power grids, satellites, GPS systems, and communication networks. According to NOAA, the most powerful G5 geomagnetic storms could result in “complete collapse or blackouts” of some power grids and aurora borealis as far south as Florida and southern Texas. While this would be very disruptive to modern life, it would not destroy Earth itself.
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