Hyperfast star was booted from Milky Way

A hundred million years ago, a triple-star system was travelling through the bustling centre of our Milky Way galaxy when it made a life-changing misstep. The trio wandered too close to the galaxy's giant black hole, which captured one of the stars and hurled the other two out of the Milky Way. Adding to the stellar game of musical chairs, the two outbound stars merged to form a super-hot blue star...

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