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探秘：神秘宇宙“黑洞”全面解析 (组图)(9)
2007-01-22 10:20:58 中华网论坛 【大 中 小】 发表评论
　　
13892795_2007012210224542820100.jpg

因为光都逃不了，我们也就看不见它了。成为黑洞的恒星就这样从观察的宇宙中消失了。看不见的黑洞和看得见的宇宙之间总有个界限吧，人们都叫它视界（event horizon）。视界内部会发生什么呢？谁也不知道，反正现在是这样。天文学家猜测，正在收缩的恒星还会继续收缩，知道收缩到无限小和无限密的点为止。那个点叫奇点（singularity）。
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