Why can't we calculate the absolute velocity of the Earth using the speed of light?
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?
115786
Speed of gravitational waves and light
132106
Why does the speed of light $c$ have the value it does?
66972
Is there any way to measure the one-way speed of light?
26439
The problem of instant velocity
125709
How can there be really any instantaneous velocity?
148969
What is EV, when used as an absolute measurement?
138834
A question about special relativity theory
102908
Explaining to an 8-year-old why nothing can travel faster than light
37421
Can a shadow move faster than the speed of light?
148196
Does the speed of light in different mediums affect the lorentz transformation?
124797
What is the speed of time?
13786
A question in Special Relativity
974
Speed of light in a gravitational field?
84790
Can I measure a journey time < 100 years on a 100 light year voyage?
70501
How fast is Earth moving through the universe?
64226
If traveling at the speed of lights stops time, why does it take light 8 minutes to reach Earth?