Huge ancient solar storm revealed by tree rings in French Alps

Researchers said that the solar storm – the sun sending a large burst of energetic particles into space – occurred 14,300 years ago.

Subfossil Scots pine trees in the Southern French Alps.

Subfossil Scots pine trees in the Southern French Alps.

(photo credit: Cecile Miramont/Reuters)

ByWILL DUNHAM/REUTERS

OCTOBER 16, 2023 09:57

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