Is it possible that a black hole has a universe in itself?
683
Do new universes form on the other side of black holes?
86091
Can black holes actually merge?
51042
How is it possible to come to a conclusion that Universe is a result of the Big Bang while we aren't able to observe the entire Universe?
84593
Will everything eventually be a single black hole?
115879
Why can't dark matter be black holes?
41296
Can a single particle create a black hole?
7353
Black hole "no hair" theorem
61618
Could the missing antimatter lie outside the observable universe?
65329
A Sphere of Black Holes
58356
Do all black holes have a singularity?
44785
Do black holes have infinite areas and volumes?
116989
Has the universe we live in started as a black hole that is imploding?
10505
Entering a black hole, jumping into another universe---with questions
96775
Einstein's static universe concept
108623
Is there a black hole in the centre of the Milky Way?
6205
How can a singularity in a black hole rotate if it's just a point?
88969
Are black hole regarded as baryonic matter in cosmology?