"Before" the Big Bang was the Universe really compressed into a mathematical point?
4276
Did the Big Bang happen at a point?
79708
Is the energy density of vacuum uniform in the whole universe?
82330
What does one second after big bang mean?
64715
How is it possible that we see light from shortly after the big bang?
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?
25052
Doesn't dating the universe violate the concept of spacetime's inseparability?
152888
Schwarzschild Radius of the Universe
12992
Why did the universe not collapse to a black hole shortly after the big bang?
112899
Final theory in Physics: a mathematical existence proof?
101978
Are the implications of an infinite universe necessarily so unsettling
80142
Does all hydrogen originate from the Big Bang?
135755
Many-worlds: how often is the split how many are the universes? (And how do you model this mathematically.)
60364
Universe Expansion as an absolute time reference
12608
Is it possible that there are still gravitational waves of the big bang?
29399
Why does inflation (the inflaton field) push Omega down closer to zero (flatten the universe)?
4087
Did spacetime start with the Big bang?
27986
Is the graviton hypothetical?