What creates the physical difference in ageing when travelling close to the speed of light?
9099
What is the proper way to explain the twin paradox?
148196
Does the speed of light in different mediums affect the lorentz transformation?
76179
Galactic Rotation Speeds - Ehrenfest Paradox, Gravitational time dilation, Dark Matter - all of the above?
67127
Does the speed of light vary in non-inertial frames?
27593
Why is travelling around the speed of light a problem?
37941
Can light travel slower than the maximum?
117653
How does light travel?
88879
Time dilation as an observer in special relativity
64226
If traveling at the speed of lights stops time, why does it take light 8 minutes to reach Earth?
62964
Relativity: stationary vs moving
148051
Time Dilation When In Orbit
116728
Why does speed of light have to be constant?
77372
"Speed" of Gravity and Speed of Light
104703
Why do electromagnetic waves become weaker with distance?
13563
What really causes light/photons to appear slower in media?
108910
Age of the universe $ \equiv 1/H$?
132106
Why does the speed of light $c$ have the value it does?