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1915年，爱因斯坦用广义相对论改写了我们对时空的理解；一个多世纪后，事件视界望远镜首次捕捉到黑洞阴影的图像，让人类首次“看见”黑洞这一神秘天体。从理论预言到天文观测，黑洞已成为检验强引力环境下物理规律的天然实验室，让观测、理论与数学在此交汇。