Historic Solar Radio Transmission Lasts 19 Days, Setting New Record
Sun Suddenly Blasts Powerful Radio Transmission for 19 Continuous Days
Image: Futurism
The Sun has set a new record for continuous radio wave transmissions, emitting powerful signals for 19 days from August 21 to September 9, 2025. This unprecedented event, observed using data from multiple NASA missions, marks the first time such a phenomenon has been documented, providing valuable insights into solar activity and space weather predictions.
- 01The previous record for solar radio bursts was 5 days, significantly shorter than the recent 19-day event.
- 02The Solar Orbiter, launched in 2020, was the first to detect the radio burst, followed by observations from NASA's Parker Solar Probe, Wind spacecraft, and STEREO-A.
- 03The radio waves were produced by electrons trapped in the Sun's magnetic field, specifically from a funnel-type structure in the Sun's outer atmosphere.
- 04This type of solar radio burst is harmless, unlike other solar events that can disrupt satellites and pose health risks to astronauts.
- 05The data collected during this event is expected to enhance scientists' understanding of space weather, aiding in the prediction of potentially hazardous solar activities.
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In an unprecedented event, the Sun has emitted powerful radio wave transmissions for 19 continuous days, setting a new record from August 21 to September 9, 2025. This remarkable phenomenon was documented using data from four NASA missions, including the Solar Orbiter, which first detected the signals. The previous record for solar radio bursts was only 5 days, highlighting the significance of this new observation. Following the Solar Orbiter's detection, NASA's Parker Solar Probe and Wind spacecraft also recorded the same radio burst, with the STEREO-A craft tracing the signals back to a funnel-type structure in the Sun's outer atmosphere. Fortunately, this type of solar radio burst is harmless, unlike other solar events that can disrupt satellite operations or affect astronaut health. The extensive data gathered during this event represents a valuable resource for scientists, potentially enhancing their ability to predict future solar activities that could pose risks to technology and human health in space.
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