Big bang singularity in an infinite universe
4276
Did the Big Bang happen at a point?
114290
Is it possible to have a singularity with zero mass?
10362
Does the universe have a center?
21628
What is the definition of a timelike and spacelike singularity?
65985
How can the universe by infinite when it has known start and finite time since?
119336
Zero energy universe
67531
Universe being flat and why we can't see or access the space "behind" our universe plane?
2073
Conservation law of energy and Big Bang?
141330
Are black holes really singularities?
99342
Given that matter cannot escape a black hole, how did the big bang produce the universe we see today?
51901
Ambiguity in applying Newton's shell theorem in an infinite homogeneous universe
85135
Why singularity in a black hole, and not just "very dense"?
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?
68425
Electric charge neutrality of the Universe: evidences and theories
101978
Are the implications of an infinite universe necessarily so unsettling
147647
Spacetime around a massive cylinder
8226
Proving that a function has a removable singularity at infinity