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  • BBC Sky at Night

    Rare cosmic explosion deepens a mystery

    Nov 16, 2023 2 minutes

    Astronomers have spotted a rare burst of light that's thought to be one of the Universe's brightest phenomena, but it has only served to deepen the mystery of what causes these unusual events.

    Luminous Fast Blue Optical Transients (LFBOTs) are very blue in colour

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