‘Secret island’ on sun sparks surprise solar storm and stunning auroras across the US (photos)

A hidden magnetic island inside a coronal hole unleashed a surprise G3 storm, sparking dazzling displays across the US.

Astrobitica September 16, 2025 (Last updated: September 16, 2025) 1 minute read

A hidden magnetic island inside a coronal hole unleashed a surprise G3 storm, sparking dazzling displays across the US.

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