Question

Does Birkhoff's theorem hold inside the event horizon?

Answer 1

Yes it do holds good inside the black hole and allow us to gain some information regarding its inner behaviour.

Answer 2

Hey mate

Birkhoff's theorem states that the external gravitational field of any spherically symmetric system is static and is described by metric in this paper we demonstrate that it is inconsistent and with the direct post newtonian solution to east in a field equation in the weak field limit.

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