solar flare
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Science
Strongest Solar Flare of 2025 Sends High-Energy Radiation Rushing Toward Earth
A rare X5.1 flare on Nov. 11 drove radiation at flight level to 10× normal, the highest in nearly 20…
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Science
Sun Unleashes Strongest Flare of 2025, Causing Global Radio Blackouts
On Nov. 11, 2025, the Sun released an X5.1-class flare from sunspot AR4274, the strongest of the year. X5.1 solar…