Is every object in the universe really expanding? Even small scale objects like humans?
3108
Why does space expansion not expand matter?
2983
Shape of the universe?
148838
Is the total mass of the universe constant in time?
22988
Are vacuum fluctuations really happening all the time?
10553
Does the universe have an edge/boundary/barrier? If yes, what is at the edge?
65001
Universe from nothing?
63748
What does it mean that the universe is "infinite"?
152888
Schwarzschild Radius of the Universe
27178
Can we simulate the whole universe in computer?
20680
Does infinity exist in physical systems?
92343
Does cosmological time expand like space does?
50171
Can black holes be created on a miniature scale?
69464
Do we know why there is a speed limit in our universe?
137492
Does entropy increase or decrease as our Universe is expanding?
47082
If spacetime itself is expanding, how could we ever tell?
23253
According to Hubble's Law, how can the expansion of the Universe be accelerating?
63414
What are the pieces of evidence that universe is expanding?