All Questions
4
questions
-4
votes
2
answers
103
views
Speed of light affected by gravity or frame dragging effect
If we do not really 100% know how light works as a oscillation we also do not know is its speed indeed constant no matter is there a space or space-time motion that can affect it. Could a device that ...
- 2,255
0
votes
3
answers
229
views
Why does Light get caught by Gravity, when both are travelling at the Speed of Light?
Gravitational waves travel at the speed of light waves.
So then, why do light waves get caught by gravitational waves (eg, black holes)?
And if it is about the strength of the photon field, then why ...
- 113
1
vote
2
answers
225
views
Has anyone checked whether the speed of light $c$ varies according to gravitation?
My physics is fairly basic, but I hope someone can answer without being too rude.
A transparent medium such as water or glass refracts light and also reduces its speed, so I was wondering whether ...
- 111
21
votes
2
answers
2k
views
Gravitational slingshot of light using a black hole/massive object
Wikipedia has this page on gravity assists using planets. In some cases this effect was used to accelerate the spacecraft to a higher velocity. This diagram shows this in a very oversimplified manner. ...
- 4,023