- #1
VantagePoint72
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I'm not sure what's going on in outgoing Eddington-Finkelstein coordinates for a Schwarzschild black hole. Future-directed timelike curves can be followed from inside the event horizon to outside it (page 185/186 of Sean Carroll's online GR notes: http://preposterousuniverse.com/grnotes/grnotes-seven.pdf [Broken]). How is that possible? Wouldn't that imply that massive particles could escape from inside a black hole's event horizon? Kruskal coordinates make it crystal clear that all future directed timelike worldlines inside the event horizon end in the singularity, so I really can't see what the outgoing E-F coordinates are illustrating.
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