NASA records unprecedented 19-day solar radio burst

23. toukokuuta 2026

Raportoinut AI

NASA scientists observed a solar radio burst that lasted 19 days in August 2025, far exceeding the previous record of five days. The event was tracked using multiple spacecraft across the solar system and linked to a helmet streamer on the Sun.

The prolonged signal was identified as a Type IV radio burst, generated by energetic electrons trapped in the Sun's magnetic fields. Researchers combined data from NASA's STEREO, Parker Solar Probe, and Wind missions along with the ESA and NASA Solar Orbiter to follow the burst as the Sun rotated.

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