The Sun: Abundant Sunspot Activity | NASA’s Solar Dynamics Observatory
An abundance of sunspot groups are present on the visible solar disk—at least 12 active regions. Sunspots are areas that appear dark on the surface of the Sun. They appear dark because they are cooler than other parts of the Sun’s surface. Solar flares are a sudden explosion of energy caused by tangling, crossing, or reorganizing of magnetic field lines near sunspots. The southern solar hemisphere has the most and largest sunspot complexes at this time, to include the most likely flare sources: Regions 3738, 3743, and 3751. Region 3738 is the most magnetically complex, but growth has slowed and it will rotate out to the western solar limb by Wednesday, July 17, 2024.
R1-R2 (Minor-Moderate) solar flares remain likely between July 15-18, 2024.
To see how such space weather may affect Earth, please visit the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center: https://spaceweather.gov
NOAA is 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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