> there is no true concept of “simultaneous” in a special relativity world This did my head in. Wikipedia has a great explanation. https://en.m.wikipedia.org/

> there is no true concept of “simultaneous” in a special relativity world This did my head in. Wikipedia has a great explanation. https://en.m.wikipedia.org/wiki/Relativity_of_simultaneity https://en.m.wikipedia.org/wiki/Relativity_of_simultaneity