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The Sun’s Long-Lived Active Regions Are Massive Flare Factories—But We Don’t Know Why

Summary by Universe Today
Space weather is a fascinating subject, but one we still have a lot to learn about. One of the main components of it is the active regions (ARs) of the Sun. These huge concentrations of magnetic fields show up throughout the Sun’s photosphere and are the primary source of solar flares and coronal mass ejections (CMEs). They can be simple pairings of magnetic flux or huge, magnetically complex tangles that spend weeks creating massive solar storm…

2 Articles

Space weather is a complex and still largely mysterious field of study. One of its main components is the Sun's active regions (ARs), vast concentrations of magnetic fields that arise in the solar photosphere. These ARs are the primary sources of solar flares and coronal mass ejections (CMEs), phenomena that can significantly impact Earth and our technological infrastructure. Although they can range from simple magnetic flux pairs to complex tan…

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Universe Today broke the news in United States on Friday, March 20, 2026.
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