Could gravity accelerate light?
2154
Why doesn't gravity speed up light?
112965
Are virtual particles limited by the speed of light?
50289
The vacuum light speed: Is it really constant, i.e., independent of location in space-time?
21144
Can gravity accelerate an object past the speed of light?
61714
Can One-Way Speed of Light be Instantaneous?
14186
Is it possible for information to be transmitted faster than light by using a rigid pole?
65533
Does gravity slow the speed that light travels?
10468
Does an object creates gravitational waves when only accelerating in one direction?
155345
Can we use curved spacetime to measure the one-way speed of light?
4005
If refraction slows down light, isn't it possible to hold light still?
54193
Can light exist in $2+1$ or $1+1$ spacetime dimensions?
14188
How does dark energy allow the universes expansion to accelerate?
106814
What happens if a super fast rotating ball accelerates near speed of light?
57773
About the speed of light and gravity
123854
Would time speed up near a large body of negative mass relative to observers in micro gravity?
110616
Acceleration due to Gravity: Free Fall
81663
Why does gravity travel at the speed of light?