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New Telescope Reveals Tiny Loops in Solar Flares

8/31/2025

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Summary

Story summary

Astronomers used high-resolution images from the Daniel K. Inouye Solar Telescope to study an X-class solar flare.
They discovered the smallest coronal loops, averaging 48 km (30 miles) wide.
This observation supports theoretical predictions regarding loop sizes and could change the understanding of flare architecture.
The research was published in The Astrophysical Journal Letters on August 25, 2025.

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Story summary

Astronomers used high-resolution images from the Daniel K. Inouye Solar Telescope to study an X-class solar flare.
They discovered the smallest coronal loops, averaging 48 km (30 miles) wide.
This observation supports theoretical predictions regarding loop sizes and could change the understanding of flare architecture.
The research was published in The Astrophysical Journal Letters on August 25, 2025.