Does the universe have a center?
4276
Did the Big Bang happen at a point?
152888
Schwarzschild Radius of the Universe
2377
Is the total energy of the universe zero?
59564
Centre of the circle
64512
Who decides which half of the universe should be destroyed?
111134
What is the distance between the centers?
54395
Is Poincare recurrence relevant to our universe?
36719
Gravitational time dilation at the earth's center
100434
Would there be centrifugal force if I were alone in the universe?
152130
Maximum size of the observable universe?
67531
Universe being flat and why we can't see or access the space "behind" our universe plane?
139471
What if the size of the Universe doubled?
135584
Was the singularity at Big Bang perfectly uniform and if so, why did the universe lose its uniformity?
115517
How could we know that the relativistic curvature of universe is intrinsic?
112411
What happens when a photon reaches the "edge" of the universe?
2253
If the universe is expanding, what is it expanding into?
68188
Are scientists missing the point with distant cosmic objects, or is it just me?