Chandra discovery traces a giant star’s recurring outbursts

18 hours ago

Positive Astronomers using NASA’s Chandra X-ray Observatory have identified what triggers repeated outbursts from a giant, unstable star. A previously hidden companion object pulls material away from the star as the pair orbit one another. The report says this interaction recurs every 113 days, offering an explanation for the star’s repeated activity.

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NASA, ESA, CSA, J. Olmsted (STScI), CC BY 4.0. https://commons.wikimedia.org/wiki/File:Illustration_(Artist%E2%80%99s_Impression)_of_WASP-39_b_and_Its_Star_(weic2221a).jpeg · https://creativecommons.org/licenses/by/4.0/. Cropped for display; no endorsement implied.Original source · Nov 9, 2026

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