The singularity is located at the heart of a black hole, and is the place where the laws of physics and space-time break down.
奇点位于黑洞的中心，物理和时空法则在这里失去作用。
The word singularity is borrowed from astrophysics: it refers to a point in space-time - for example, inside a black hole - at which the rules of ordinary physics do not apply.
奇点这个单词来自于天体物理学：它指的是时空中(例如黑洞内部)所有物理理论都失效的一点。
With Roger Penrose I showed that if Einstein's general theory of relativity is correct, there would be a singularity, a point of infinite density and space-time curvature, where time has a beginning.
Roger Penrose 和我曾表明，如果爱因斯坦的一般相对论是正确的，那就会有一个特例，在无限密集和空间时间弯曲这一点上，时间就会有一个开端。
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