Sun news: On this day in 2003, one of the biggest flares on record
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Summary
Sun news October 28, 2026: 23 years ago today, on October 28, 2003, the sun blasted a monster X17.2 flare from active region AR10486. The post Sun news: On this day in 2003, one of the biggest flares on record first appeared on EarthSky .
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