Center of the universe
10362
Does the universe have a center?
51901
Ambiguity in applying Newton's shell theorem in an infinite homogeneous universe
144380
When the Center of Mass and Center of gravity does Not Coincide
44525
Chosing a reference frame in which the Earth is at rest and doesn't rotate
62168
Hubble time, the age of the Universe and expansion rate
67531
Universe being flat and why we can't see or access the space "behind" our universe plane?
31728
Galaxy rotation curve and dark matter
112411
What happens when a photon reaches the "edge" of the universe?
151814
Relativistic centripetal force
155680
Center of mass of 2D region
65001
Universe from nothing?
152130
Maximum size of the observable universe?
90481
3D donuts and the centre of a black hole
98769
Find a universe and a predicate that satisfy the following formula
135584
Was the singularity at Big Bang perfectly uniform and if so, why did the universe lose its uniformity?
2253
If the universe is expanding, what is it expanding into?
111390
Size of Universe after inflation