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| NASA’s Solar Dynamics Observatory captured this image of a solar flare on Oct. 9, 2024, showcasing the bright flash on the right in colorized gold, which highlights the extremely hot material in extreme ultraviolet light. |
On October 9, 2024, at 11:47 a.m. ET, the Sun emitted a significant solar flare classified as X1.4. Captured by NASA’s Solar Dynamics Observatory, this powerful burst of energy poses potential impacts on radio communications, electric power grids, and navigation signals, as well as risks to spacecraft and astronauts.
Solar flares are categorized into classes, with X-class representing the most intense flares. The number indicates the strength of the flare, with higher numbers signifying more powerful events.
For updates on how this solar activity may affect Earth, visit the NOAA Space Weather Prediction Center at https://spaceweather.gov/. NASA continues to monitor solar phenomena with a dedicated fleet of spacecraft that observe the Sun’s activity and the surrounding space environment.
