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leftzero , 1 month ago Kugelblitzes might (theoretically) be a thing... To wit, a sufficiently dense concentration of heat, light, or radiation could produce an event horizon similar to that of a black hole, which definitely would count as a noticeable relativistic effect.
Kugelblitzes might (theoretically) be a thing...
To wit, a sufficiently dense concentration of heat, light, or radiation could produce an event horizon similar to that of a black hole, which definitely would count as a noticeable relativistic effect.