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Stellar Flares Unveil Hidden Magnetic Secrets of TRAPPIST-1

August 11, 2025
Stellar Flares Unveil Hidden Magnetic Secrets of TRAPPIST-1
By Mark Thompson (https://ift.tt/u2pTFP1)

This artist's concept shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets' diameters, masses and distances from the host star, as of February 2018 (Credit : NASA/JPL-Caltech)

A team of astronomers using the James Webb Space Telescope have achieved a breakthrough in understanding TRAPPIST-1, the famous red dwarf star hosting seven Earth sized planets. By analysing stellar flares, the team discovered that flares cause dark magnetic features on the star's surface to disappear, creating persistent brightening effects. This represents the first-ever measurement of magnetic feature spectra on an M8 dwarf star.



August 11, 2025 at 06:11PM
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