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Study Links Long-Lived Solar Active Regions to Increased Flare Activity

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Long-Lived Solar Regions Crucial for Space Weather Prediction

Research has focused on patches of the Sun's surface that exhibit strong magnetic fields. These fields emerge within hours and can decay over days, weeks, or months.

A new study investigated 'long-lived' active regions, defined as areas where strong magnetic fields persist for at least a month before decaying.

Citizen Science Powers New Solar Insights

This study incorporated data from NASA's Solar Active Region Spotter citizen science project. Volunteers participated by answering questions about pairs of active region images obtained from NASA's Solar Dynamics Observatory.

Key Findings: More and Stronger Solar Flares

Analysis conducted by project leads Emily Mason and Kara Kniezewski indicated that long-lived active regions produce a higher proportion of solar flares compared to regions with shorter lifespans.

Furthermore, these long-lived regions were found to be 3-6 times more likely to be the origin of the most intense types of solar flares.

These findings suggest that long-lived active regions hold importance for predicting space weather and may offer insights into the Sun's internal magnetic fields.