AR4274
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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…
On Nov. 11, 2025, the Sun released an X5.1-class flare from sunspot AR4274, the strongest of the year. X5.1 solar…