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Hidden Companions Found Around Red Supergiants in Andromeda

Original: Red Supergiants in Andromeda: Uncovering Their Hidden Companions

Researchers report evidence that many red supergiants in the Andromeda galaxy are not single stars but have hidden companion stars, previously overlooked because they are too faint to detect directly. The finding could change how astronomers understand the evolution of massive stars and the eventual supernova explosions that end their lives.

Why now: A new astronomical study on binary red supergiants in Andromeda is drawing fresh attention to how massive stars evolve.

Andromeda galaxyred supergiantsUniversity of Iowa

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• Red Supergiants in Andromeda: Uncovering Their Hidden Companions · Iowa Now

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