A point on a disc travelling at the speed of light
93635
Euclidean geometry in non-inertial frame
84743
Why is light described by a null geodesic?
37024
Textbook on the Geometry of Special Relativity
62964
Relativity: stationary vs moving
123571
A change in the gravitational law
82624
"Newtonian limit" property of special relativity
139551
A Light is shone out the side window of a spaceship ( moving close to light speed ), will the light still travel at the speed of light in the B axis?
83672
Time dilation in a gravitational field and the equivalence principle
55971
Why does the (relativistic) mass of an object increase when its speed approaches that of light?
39399
Will free-fall object into black hole exceed speed of light $c$ before hitting black hole surface?
80942
Speed of a Tenser's floating discmobile
22402
If I am travelling on a car at around 60 km/h, and I shine a light, does that mean that the light is travelling faster than the speed of light?
127383
Speed of light in general relativity
147202
Would approaching a distant star at near the speed of light unfold its entire history in "fast-forward"?
115572
Theoretical proof of the constant of speed of light $c$ in vacuum in all frames of references
138834
A question about special relativity theory
37941
Can light travel slower than the maximum?