A powerful X1.9 solar flare from new sunspot AR4299 triggered strong radio blackouts, as giant sunspot AR4294 rotates into view with more activity likely.
Sun unleashes powerful X-class solar flare, knocking out radio signals across Australia
SPACE.com - 1 Dec 2025 17:10
A powerful X1.9 solar flare from new sunspot AR4299 triggered strong radio blackouts, as giant sunspot AR4294 rotates into view with more activity likely.
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