Does the maximally-extended Schwarzschild horizon see the entire past of the parallel universe?
24227
Does someone falling into a black hole see the end of the universe?
158133
Is the orbit in Schwarzshild metric a path with maximal proper time?
16647
Is the world $C^\infty$?
50415
Value of the Hubble parameter over time
15715
How can the Schwarzschild radius of the universe be 13.7 billion light years?
124408
Has relativity of simultaneity been directly observed?
58356
Do all black holes have a singularity?
2983
Shape of the universe?
51901
Ambiguity in applying Newton's shell theorem in an infinite homogeneous universe
85665
Schwarzschild metric in expanding Universe
139949
Looking out into the universe means looking back in time - how does that work?
4132
What is the closest general-relativistic equivalent of a "time slice"?
20960
Seeing the shadow of a black hole
117224
If you hover just above the event horizon of a black hole, would you see the future of the universe?
141330
Are black holes really singularities?
61618
Could the missing antimatter lie outside the observable universe?
3644
Symmetrical twin paradox in a closed universe