Thank you the replies, but I still see no explanation *how* this info about its inside can go outside without going FTL.
Not true: LIGO detected merging black holes; these "entered" each other, space-time adjusted to the new mass distribution; how?
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My bad. But you can see the mass going in, and adjust. Later nothing comes out, so you don't update.
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I'm pretty sure space-time does not speculate about what is going to happen, but sticks to the information it has available.
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https://n.ethz.ch/~usoler/download/GR/Spacetime%20and%20Geometry.pdf … p. 208: "Thus a light ray that approaches r=2GM never seems to get there ..." (time dilation)
- End of conversation
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