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Massive Star WOH G64 on Brink of Supernova?

2/23/2026

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Story summary
  • WOH G64, one of the largest stars in the Large Magellanic Cloud, may have transitioned from red supergiant to yellow hypergiant, implying a potential impending supernova.
  • The studies suggesting this transition were led by Gonzalo Muñoz-Sanchez, astronomer.
  • Follow-up observations found titanium oxide in the atmosphere.
  • Interactions with a companion star could explain the star's unusual behavior.
  • Continued monitoring is essential to determine WOH G64's true evolutionary state and future.