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人教版高中《物理》第一册(必修)第110面“阅读材料”“黑洞”一文中有这样一段话:“设想,如果某天体的质量非常大,半径非常小,则其脱离速度有可能超过光速,即 v=((2Gm′)/r)~(1/2)>c.爱因斯坦相对论指出,任何物体的速度都不可能超过光速.由此可推断,对这种天体来说,任何物体都不能脱离它的束缚,甚至连光也不能射出.这种天体就是我们常听到的黑洞.”
In the paper “Reading Materials” and “Black Hole” in the 110th surface of the “Teaching Materials” and “Black Hole” of the PEP High School Physics Book 1, there is a paragraph like this: “Imagine if the mass of a certain object is very large and its radius is very small, then May exceed the speed of light, ie, v = ((2 Gm’)/r) 1/2 c c. Einstein’s theory of relativity states that the velocity of any object cannot exceed the speed of light. It can be inferred that this object is It is said that no object can escape from its shackles, and even light cannot be emitted. This kind of object is the black hole we often hear."