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2d
超新星爆炸,为什么中心还能残留中子星?不应该炸没了?
超新星爆炸,按照祖恒星可以简单地分为白矮星吸积和大质量恒星坍缩,我们这里只说大质量恒星的引力坍缩情况。 而大质量恒星的引力坍缩,中子星也只是可能的残留物之一,具体的残留物取决于初始恒星的质量,以及抛射多少自身物质,有些情况下甚至不会有什么残留物。
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3d
4次引力波证实4对黑洞的碰撞,科学家跟踪有史以来最大黑洞碰撞
趣味探索讯,宇宙这哥们儿特爱搞事情,每次放大招,比如黑洞撞车、中子星碰碰,都会抖出超强信号——引力波。几年下来,科学家们已经集齐了11个引力波,跟集卡似的。最近,他们又从一堆宇宙信号里扒拉出四个“幽灵信号”,确认是“黑洞碰瓷现场”,还围观了史上最重量 ...
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