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发现宇宙高能瞬态爆炸事件,来自已“死亡”的星系边缘
快速电波爆发是宇宙一种瞬态电波脉冲,能在一瞬间释放太阳运转3天释放的总能量,过去模型相信此类事件来自年轻天体或磁场极强大的磁星。然而前阵子,天文学家发现一个FRB信号竟从“已死亡”的星系边缘发出,怀疑爆发来自一群古老恒星,颠覆其起源理论。
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