SMRTR Science & EngineeringFeb 2, 2026Live Science

Sunspot launches 27 solar flares in 24 hours, including strongest outburst in years

SMRTR summary

A massive sunspot unleashed 27 solar flares in 24 hours, culminating in an X8.1-class eruption on Sunday — the strongest solar flare since October 2024. This intense burst triggered immediate radio blackouts in the South Pacific and launched a coronal mass ejection toward Earth that could deliver a glancing blow on Thursday, potentially creating vibrant northern lights at unusually low latitudes and causing GPS disruptions.

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