3 ms·
It is a closed lightlike curve. There is no impact on causality, as time does not pass on a lightlike curve.
by fhars 6y ago
It is a closed lightlike curve. There is no impact on causality, as time does not pass on a lightlike curve.
- 6gvONxR4sf7o 6y agoThanks. I'd been dividing it between spacelike and timelike. I forgot there was a third option.