Talk:Oppenheimer–Snyder model

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Physics: Relativity Mid‑importance

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✠ SunDawn ✠ (contact) 09:25, 2 August 2023 (UTC)[reply]

point to make on FLWR inside Schwartzchild

I propose adding the following to the overview:

During the collapse of a star to a black hole the geometry on the outside of the sphere is the Schwarzschild geometry- that is it has the usual black hole event horizon from which nothing, not even light, can escape. However the geometry inside is, curiously enough, the same Friedmann-Lemaître-Robertson-Walker geometry or 'flat' spacetime as in the rest of the observable universe.

source:https://jila.colorado.edu/~ajsh/bh/collapse.html

90.246.127.126 (talk) 15:06, 27 February 2024 (UTC)[reply]