Hi
Hmm, my physics is a bit rusty but I seem to recall that relativistic time dilution (slowing of clocks) only occurs during the acceleration phase of leaving the Earth, the deceleration phase prior to the turn round, the re-acceleration phase to come back to Earth and the deceleration phase when arriving back on the Earth. Whilst traveling at uniform motion in between these phases, with no acceleration and no relativistic effects due to e.g. large mass bodies nearby, time on the Earth and time on the spaceship would "tick" by at the same rate?
Cheers
Dennis
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