It is a concept that forms a cornerstone of our understanding of the universe and the concept of time - nothing can travel faster than the speed of light.

没有什么可以快过光速——这是构成我们对宇宙的理解和时间概念的一个基石。

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Astronomers and scientists think that a black hole is a region of space (not a thing) into which matter has fallen and from which nothing can escape - not even light. So we can't see a black hole.

天文学家和科学家们认为黑洞是个空间区域，物体会掉进去，而没有物体能从中逃逸出来——即使是光也不能，所以我们看不到黑洞。

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Outlined first by James Clerk Maxwell and then by Albert Einstein in his theory of special relativity, much of modern physics relies on the idea that nothing can travel faster than light.

它首次被麦斯威尔后被爱因斯坦在狭义相对论中描述。现代物理学基本上依赖光速不被超越这一假设。

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