A powerful solar storm, the largest in two decades, caused rare auroras in Latin America.

A powerful solar storm caused rare auroras to dazzle in Latin America, with gradients of pink and purple illuminating the night sky in Mexicali, Mexico, and reds and magentas in Chile and Argentina. The geomagnetic storm, the largest in two decades, was sparked by solar flares and is caused when explosions of plasma and magnetic fields from the sun's corona are directed at Earth.

May 11, 2024
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