Solar

Solar flare causes blackout in U.S.
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Map Reveals Blackout Over US States After ‘Extreme’ Solar Flare

Large parts of the United States faced a radio blackout on Thursday following a strong solar flare from the sun. The “extreme ultraviolet flash” was captured by NASA‘s Solar Dynamics Observatory satellite. The solar flare, categorized as X-class in scale—the highest scale, was triggered by an active region of a sunspot on June 19 at […]

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Solar flare map
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Map Shows Areas Hit by Blackouts From ‘Colossal’ Solar Flare

A powerful X2.7-class solar flare erupted from the sun early Tuesday, May 14, 2025, causing high-frequency radio blackouts across broad swathes of Europe, Asia, and the Middle East. Why It Matters Classified as an R3-level event on the National Oceanic and Atmospheric Administration (NOAA) radio blackout scale, the X2.7-class flare marked the strongest solar eruption […]

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