July 13 , 2025
14 days
125
- Astronomers found small and short-lived loops in the Sun’s lower atmosphere.
- These may reveal how the Sun stores and unleashes magnetic energy.
- These miniature coronal loops are only 3,000–4,000 km long and <100 km wide.
- They were previously undetectable due to their size and the brief lifespan (lasting just a few minutes).

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