For now, all of those details are stuck inside the black hole.

现在所有的细节都牢牢地粘在黑洞里了。

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"Advanced civilizations may live safely inside the black hole without being visible from the outside".

高级文明可能会安全的生活在黑洞之内而不被外界所察觉。

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Floyd says the paper one shortcoming of the paper is that it assumes radiation has no impact on orbits inside the black hole.

弗洛伊德认为这篇论文的不足之处之一是它假设辐射对黑洞内的轨道没有影响。

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Its event horizon, the outer edge inside which not even light can escape from the black hole's gravitational pull, would be only about 7.5 million kilometres.

BBC: By BBC News Online Science Editor Dr David Whitehouse