Sun Releases Strong Solar Flare

The Sun emitted a strong solar flare, peaking at 5:20 p.m. ET on Oct. 31, 2024. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event.

The Sun appears in shades of red with some brighter and darker regions, set against a black background. In the upper left part of the Sun is a bright flash of white, a solar flare.
NASA’s Solar Dynamics Observatory captured this image of a solar flare – seen as the bright flash in the upper left – on Oct. 31, 2024. The image shows a subset of extreme ultraviolet light that highlights the extremely hot material in flares and which is colorized in red. Credit: NASA/SDO

Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft and astronauts.

This flare is classified as an X2.0 flare. X-class denotes the most intense flares, while the number provides more information about its strength.

To see how such space weather may affect Earth, please visit NOAA’s Space Weather Prediction Center the U.S. government’s official source for space weather forecasts, watches, warnings, and alerts. NASA works as a research arm of the nation’s space weather effort. NASA observes the Sun and our space environment constantly with a fleet of spacecraft that study everything from the Sun’s activity to the solar atmosphere, and to the particles and magnetic fields in the space surrounding Earth

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