All Questions
3
questions
3
votes
2
answers
227
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Can a photon circle a black hole indefinitely?
Does a photon lose energy or redshift as it circles?
Will it's wavelength be the rest wavelength with centripetal and gravitational forces exactly cancelling?
- 182
9
votes
2
answers
1k
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Rainbow Blackhole?
Can white light be broken into its component colors when gravitationally shifted by a black hole, in a manner similar to what a prism does?
http://www.physics.utah.edu/~bromley/blackhole/index.html
- 1
2
votes
2
answers
351
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Gravity's effects on photons moving away from source
As a photon has no mass and must always have velocity c, if I were to shine a laser straight up (so Earth's gravity would be pulling straight back on it), what would the effect be on the photon? It ...
