Astronomers spot enormous twin stars heading for a cataclysmic end

ESO astronomers have discovered a pair of enormous stars, known as an overcontact binary system, that orbit so close to each other that a bridge of stellar material has formed. Scientists predict that at some point, the strange partnership will end in spectacular fashion, with the stellar bodies either merging to create a single titanic star, or in a violent supernova, that would birth a binary black hole system.

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