Space within galaxies. Is it stuck by the gravity of the galaxy or expanding and "slipping past"?
3108
Why does space expansion not expand matter?
58085
Gravitational Length Contraction
56753
Is it possible that galaxies' redshift is caused by something else than the expansion of space?
73523
Shapes of galaxies
134396
Could the acceleration of universe expansion be caused by gravity itself?
101133
How does the Death Star gravity work?
119747
What is the meaning of the "expansion of space"?
10505
Entering a black hole, jumping into another universe---with questions
63346
How can the universe expand if there is gravitation?
10178
How can mass bend spacetime, if there's nothing to bend?
70257
Inverse metric in linearised gravity
68188
Are scientists missing the point with distant cosmic objects, or is it just me?
125936
Hyperspace and gravity wells
102370
At what speed does our universe expand?
3103
How do we know the universe is expanding, and not that its contents are shrinking?
64158
What do we learn from gravity in three spacetime dimensions?
45057
How far away must a galaxy be for its light never to reach us due to the expansion of the universe?