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Sun blasts out 2nd X-class flare this week, triggers more radio blackouts (video)
US radio blackouts as historic sunspot fires off "remarkable" X-flare
Behemoth sunspot AR3664 unleashes its biggest solar flare yet, sparking radio blackouts on Earth (video)
Gargantuan sunspot 15-Earths wide shoots powerful X-class flare toward Earth, triggering radio blackouts
Radio blackouts as "hyperactive" sun fires off fourth X-flare
Sun unleashes X-class solar flare, radio blackouts reported (video)
Sun unleashes near X-class solar flare: M9.5 eruption sparks radio blackouts across the Pacific (video)
