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Results tagged with special-relativity
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user 171
The special theory of relativity describes the motion and dynamics of objects moving at significant fractions of the speed of light.
38
votes
3
answers
5k
views
Symmetrical twin paradox in a closed universe
Take the following gedankenexperiment in which two astronauts meet each other again and again in a perfectly symmetrical setting - a hyperspherical (3-manifold) universe in which the 3 dimensions are …
- 3,771
2
votes
How is the classical twin paradox resolved?
Carlo Rovelli gives an intuitive account of why only SRT is needed in his new book "The order of time":
‘In motion’ in relation to what? How can we determine which of the two
objects moves, if t …
- 3,771
52
votes
8
answers
14k
views
How is the classical twin paradox resolved?
I read a lot about the classical twin paradox recently. What confuses me is that some authors claim that it can be resolved within SRT, others say that you need GRT. Now, what is true (and why)?
- 3,771