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The special theory of relativity describes the motion and dynamics of objects moving at significant fractions of the speed of light.
2
votes
2
answers
66
views
Consider a cylindrical mass in empty space. In general relativity, do the space-time dimensi...
Consider a cylindrical mass in empty space oriented along the x1 direction. In general relativity, do the space-time dimensions (x1, x2, x3, x4) curve about the mass in a completely symmetrical manne …
4
votes
1
answer
2k
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What is the velocity of a photon through space-time? What is the 4-velocity of a photon?
What is the velocity of a photon through space-time? What is the 4-velocity of a photon?