黑洞 4条回复 【延伸阅读】 快讯：NASA宣布发现年仅31岁黑洞 美国宇航局宣布“钱德拉”X射线天文台距离地球五千万光年以外的太空发现一个年仅31岁的黑洞。这是1979年人类发现的一颗超新星爆炸后形成的黑洞，也是唯一一个人类全程见证它形成的黑洞。 时间简史——从大爆炸到黑洞霍金_ 百度文库
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