Relativity, Twin Paradox, Time Dilation, Lenghts Contraction, Lorentz Transformation.
t_1. On the other hand, if the spaceship with the tail travels at a constant speed v (and if we don’t care about the arrival of the end of the tail), the astronaut twin arrives on the planet at time t = d/v. In the discussion of the twin paradox, the spaceship does not have a tail and the frame of