Betelgeuse has a close-orbiting companion that disturbs the red supergiant into an egg-like shape. New observations show how the two stars interact and how this could help explain the varying brightness of Betelgeuse.
Betelgeuse has a close-orbiting companion that disturbs the red supergiant into an egg-like shape. New observations show how the two stars interact and how this could help explain the varying brightness of Betelgeuse.
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