Hubble Uncovers Betelgeuse’s Hidden Companion and Dimming Mystery

TL;DR
Researchers have found strong evidence that Betelgeuse's unusual dimming patterns are caused by a hidden companion star, Siwarha, which creates a detectable wake as it moves through Betelgeuse's outer atmosphere, confirming long-standing hypotheses about its behavior.
- Betelgeuse’s Hidden Companion May Finally Be Revealing Itself Gizmodo
- NASA Hubble Helps Detect ‘Wake’ of Betelgeuse’s Elusive Companion Star NASA Science (.gov)
- Betelgeuse is not alone as it travels through space Astronomy Magazine
- NASA's Hubble Space Telescope Observations Resolve "One Of The Biggest Mysteries" About Betelgeuse IFLScience
- Astronomers May Have Unlocked the Reason for Betelgeuse’s Bizarre Dimming Scientific American
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