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Inouye Solar Telescope delivers record-breaking images of solar flare and coronal loops

The telescope recorded coronal loops as narrow as 21 km, offering new insights into solar flare structures and improving models for space weather impacts on Earth.

Summary by Phys.org
The highest-resolution images of a solar flare captured at the H-alpha wavelength (656.28 nm) ever captured may reshape how we understand the sun's magnetic architecture—and improve space weather forecasting.

6 Articles

The Daniel-Inouye solar telescope in Hawaii is the largest solar telescope in the world. It has already provided unique images of the surface of our star several times. Now astronomers have succeeded in achieving another milestone with this solar telescope: for the first time they have been able to make visible solar plasma loops and threads of only 21 to 54 kilometres in diameter. These thready structures were created after a strong [...] The a…

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Phys.org broke the news in United Kingdom on Monday, August 25, 2025.
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