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Saturday, December 27, 2025

NASA Spots Starquakes in a Red Giant Orbiting One of the Galaxy’s Quietest Black Holes

A red giant star orbiting a quiet black hole spins faster than expected, while internal vibrations reveal it is younger than its ancient chemistry suggests. These findings hint at a past stellar merger and challenge existing models of star evolution in low-metal environments. Future observations aim to confirm its complex cosmic history.

from Gadgets 360 https://ift.tt/2gwXxve

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