Sun news: Auroras everywhere on this day in 2003
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Summary
Sun news October 29, 2026: 23 years ago today, on October 29, 2003, a monster X17.2 flare provoked G5 (extreme) geomagnetic storms at Earth, triggering widespread auroras. The post Sun news: Auroras everywhere on this day in 2003 first appeared on EarthSky .
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