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当物理学家一层一层一层地拨开奇点,时空的尽头有什么?
奇点是爱因斯坦广义相对论的预言。根据该理论,物质或能量的聚集使时空结构弯曲,这种弯曲产生了引力。若将足够多的物质压缩到足够小的空间,爱因斯坦场方程似乎预言时空将在该处无限弯曲,引力会变得无限强大。
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