Is the size of the universe directly related to its temperature?
39654
When they say that the universe cooled after the big bang, where did the heat go?
110351
Is the universe really "fine-tuned for life"?
143720
Why is there a temperature gradient on Earth?
139471
What if the size of the Universe doubled?
115517
How could we know that the relativistic curvature of universe is intrinsic?
18257
How can interstellar space have a temperature of 2-3K?
62168
Hubble time, the age of the Universe and expansion rate
152888
Schwarzschild Radius of the Universe
38151
Why is absolute zero considered to be asymptotical? Wouldn't regions such as massive gaps between galaxy clusters have temperatures of absolute zero?
96775
Einstein's static universe concept
1613
Is temperature in vacuum zero?
41750
The age of the universe
100308
Temperature in space
108910
Age of the universe $ \equiv 1/H$?
2983
Shape of the universe?
68399
Do the laws of physics work everywhere in the universe?
124048
Is the Planck length the smallest length that exists in the universe or is it the smallest length that can be observed?