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A hidden star is plowing through Betelgeuse’s atmosphere, new evidence suggests
A hidden star is plowing through Betelgeuse’s atmosphere, new evidence suggests
Something mysterious is disturbing Betelgeuse, and astronomers believe they have identified the culprit: a hidden companion star called Siwarha. New radio observations reveal that the smaller star may be plowing through Betelgeuse’s enormous atmosphere, creating disturbances that subtly stretch and distort the red supergiant’s shape.