Where did the Big Bang happen?
4276
Did the Big Bang happen at a point?
80142
Does all hydrogen originate from the Big Bang?
64715
How is it possible that we see light from shortly after the big bang?
67531
Universe being flat and why we can't see or access the space "behind" our universe plane?
10362
Does the universe have a center?
5585
Where did the world go?
134905
What was the entropy of the universe at the time of the Big Bang?
124618
How can we know the time frames for events in the early universe?
25560
Neutrinos arrived before the photons (supernova)
683
Do new universes form on the other side of black holes?
39654
When they say that the universe cooled after the big bang, where did the heat go?
103492
If the Big Bang started in a state of low entropy then shouldn't the Big Crunch be in a state of low entropy also?
112264
Cosmological constant doubts
41750
The age of the universe
130124
Is it possible to learn about an event that occurred outside of your observable universe?
2073
Conservation law of energy and Big Bang?
68684
Age of the CMB: How do we know?