In the theory of special relativity speed is relative so who decides which observer’s time moves slower?
9016
How can time dilation be symmetric?
105171
Does time pass fastest in isolated, resting space?
56005
Speed of light travel
45625
Is energy content of a system different depending on the observer?
86328
What is the relative speed of two near-light speed particles headed towards each other?
125127
Does time move slower at the equator?
56930
What would an observer see if he/she flew toward a clock at relativistic speeds?
13817
reflection at speed of light when both mirror and viewer is travelling at the speed of light
141546
Time and distance in a photon's frame of reference
73980
How does Picard choose a warp speed?
148196
Does the speed of light in different mediums affect the lorentz transformation?
123854
Would time speed up near a large body of negative mass relative to observers in micro gravity?
75158
Is acceleration relative?
42258
Is time dilation an illusion?
105118
Rapid (ac/de)celeration in relativity does what to inertial clocks?
80645
Time for two relativistic objects to meet
83672
Time dilation in a gravitational field and the equivalence principle