Sun Suddenly Blasts Powerful Radio Transmission for 19 Continuous Days
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Astronomers recorded a 19-day radio burst from the Sun, the longest ever observed.
The event, spanning Aug. 21 to Sept. 9, 2025, was captured by Solar Orbiter, Parker Solar Probe, Wind, and STEREO-A.
The burst was not dangerous, but it gives scientists rare data on solar radio emissions and space-weather forecasting.