Earth May Soon Get Early Solar Flare Warnings

image via New Scientist

March 10, 2025, 11:45 AM

• •Flickering loops in the sun’s corona may appear before dangerous solar activity.
• •Researchers used data from NASA’s Solar Dynamics Observatory to show that distinctive flickering in the huge loops of roiling plasma that arch up out of the sun’s atmosphere, called the corona, seems to signal that a large flare could soon occur.
• •The researchers used a near-real-time data stream with just an hour’s lag rather than working with data that have been processed to improve quality, which can take weeks.

Scientists have discovered a way to predict solar flares, which could help protect astronauts and electrical systems from damage. The researchers found that flickering loops in the sun's corona appear before dangerous solar activity.

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