Sun unleashes intense X-class solar flare, triggering radio blackouts across Australia The powerful X1.1 solar flare from sunspot region 4298 sparked strong radio blackouts on the sunlit portion of Earth at the time of eruption. Astrobitica December 8, 2025 (Last updated: December 8, 2025) 1 minute read The powerful X1.1 solar flare from sunspot region 4298 sparked strong radio blackouts on the sunlit portion of Earth at the time of eruption. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: The Primordial Black Hole Saga: Part 1 – The Dark Matter MysteryNext: Study quantifies costs of EU Space Act to European and U.S. companies