On 23/08/2020 19:40, Max Demian wrote:
That's the essence of the "twin paradox" (often misstated). If motion is
relative, why is it the twin in the spaceship who ages less fast?

Ever thought I have these days seem to end in a cul de sac, and I have
to call it a paradox. Is all of life an unanswerable mystery?

Bill