Was there a singularity before the Big Bang or after it?
98638
Is the Big Bang defined as before or after Inflation?
129542
Do perfect spheres exist in nature?
94563
What correlation makes a matrix singular and what are implications of singularity or near-singularity?
4828
Where did the Q come from, before the Q Continuum?
72416
The universe appears to have a lower bound in the time dimension, why not an upper bound?
12992
Why did the universe not collapse to a black hole shortly after the big bang?
90148
Does any particle ever reach any singularity inside the black hole?
4276
Did the Big Bang happen at a point?
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?
53299
Can we have a black hole without a singularity?
158250
According to special relativity, has the future already happened?
12608
Is it possible that there are still gravitational waves of the big bang?
116355
Do singularities have a "real" as opposed to mathematical or idealized existence?
81969
What if the universe is rotating as a whole?
139471
What if the size of the Universe doubled?
117205
Expansion of the Universe: is new space(time?) being created or does it just get stretched?
5303
isolated non-normal surface singularity