Why doesn't everything expand when the universe expands?
3108
Why does space expansion not expand matter?
96564
Is it valid to apply Einstein's Relativity to scenarios involving expansion of space?
47082
If spacetime itself is expanding, how could we ever tell?
113304
Universe expands ... compared to what?
115333
How exactly and WHY does matter affect space-time?
18026
How can it be that the beginning universe had a high temperature and a low entropy at the same time?
85582
Why aren't all photons virtual particles even in the "vacuum" of empty space?
92343
Does cosmological time expand like space does?
58042
Redshifting of Light and the expansion of the universe
23253
According to Hubble's Law, how can the expansion of the Universe be accelerating?
89301
Is the total energy of the universe constant?
2790
Can space expand with unlimited speed?
119747
What is the meaning of the "expansion of space"?
2253
If the universe is expanding, what is it expanding into?
36008
Please clarify how entropy increases when matter gravitationally coalesces
126433
Why does Expand not work within a function?
95946
What causes the expansion of space?