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The cosmos is so full of mysteries that sometimes, astronomers will find answers to things you’ve probably never even heard of. Take, for instance, the luminous fast blue optical transients—LFBOTs for short—those weird, fading flashes of blue and ultraviolet light whose source has long eluded astronomers. Well, astronomers may finally have an answer.
LFBOTs are relatively rare events. They’re so bright that they’re visible over hundreds of millions to billions of light-years….
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