4 ms·
Proper time is an invariant that could be used for this... still corrections apply (as you suggest, for the two observers). https://en.m.wikipedia.org/wiki/Pro
by relativitypro 8y ago
Proper time is an invariant that could be used for this... still corrections apply (as you suggest, for the two observers).
https://en.m.wikipedia.org/wiki/Proper_time https://en.m.wikipedia.org/wiki/Proper_time