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Results tagged with general-relativity
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user 121933
A theory that describes how matter interacts dynamically with the geometry of space and time. It was first published by Einstein in 1915 and is currently used to study the structure and evolution of the universe, as well as having practical applications like GPS.
2
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Accepted
How would a photon act to the gravitational influence of a black hole which is attracting it...
If the photon has been emitted outside the black hole, directly away from the black hole, then the hole's gravity will not turn it back and it will escape to infinity. The only effect gravity will hav …
- 160
3
votes
Gravity's effects on photons moving away from source
For the first question: Sure, light emitted by a galaxy is affected by the gravitational redshift, but the effect is small and independent of the distance of the galaxy from us. (See also the question …
- 160