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Results tagged with reference-frames
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user 461910
A reference frame is a particular coordinate system chosen to represent physical entities. The notion is most often used in special and general relativity to denote particular coordinates chosen on the spacetime manifold.
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Does length contraction "break the speed limit"? Part 2
Hilariously, you mentioned yourself they are both moving 95% the speed of light, so obviously they aren't moving faster than light.
But to actually answer your question, the length of the whole univer …
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