What is speed relative to in time dilation?
47242
Time dilation due to change in speed
42816
Does entanglement have a speed or is it instantaneous
78717
Does velocity or acceleration cause time dilation?
105171
Does time pass fastest in isolated, resting space?
123854
Would time speed up near a large body of negative mass relative to observers in micro gravity?
17873
What is the correct formula for gravitational time dilation for a satellite in a circular orbit?
13757
Is there a device that could measure the speed of time?
116728
Why does speed of light have to be constant?
67127
Does the speed of light vary in non-inertial frames?
89837
Speed of light when accelerating
65533
Does gravity slow the speed that light travels?
50289
The vacuum light speed: Is it really constant, i.e., independent of location in space-time?
61714
Can One-Way Speed of Light be Instantaneous?
105142
What does general relativity say about the relative velocities of objects that are far away from one another?
100690
Does superluminal travel imply travelling back in time?
974
Speed of light in a gravitational field?
77372
"Speed" of Gravity and Speed of Light