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As is nicely visualised by it's Penrose Diagram, e.g. https://jila.colorado.edu/~ajsh/insidebh/penrose_schw.gif https://jila.colorado.edu/~ajsh/insidebh/penros

by Certhas 23d ago

As is nicely visualised by it's Penrose Diagram, e.g. https://jila.colorado.edu/~ajsh/insidebh/penrose_schw.gif https://jila.colorado.edu/~ajsh/insidebh/penrose_schw.gif

shagie 23d ago
Some PBS Space Time episodes featuring the Penrose Diagram (in order - the first two are from 9 years ago, the last from 6) What Happens at the Event Horizon? - https://youtu.be/mht-1c4wc0Q https://youtu.be/mht-1c4wc0Q Escape The Kugelblitz Challenge - https://youtu.be/v3hd3AI2CAA https://youtu.be/v3hd3AI2CAA Mapping the Multiverse - https://youtu.be/4v9A9hQUcBQ https://youtu.be/4v9A9hQUcBQ
moralestapia 23d ago
Sorry man, that's not what this is about.
- Certhas 23d ago
  It's not? Schwarzschild has a space-like singularity. That's the wiggly horizontal line at the top left of the diagram. If you are in the black hole you can't avoid hitting it. Seems to be exactly what the paper is remarking on.
  - DeluluDon 23d ago
    [flagged]
- evanb 23d ago
  Yes it is?
greesil 23d ago
I enjoyed this Veritasium video on the subject, which includes Penrose Diagrams. https://youtu.be/6akmv1bsz1M https://youtu.be/6akmv1bsz1M