_thegeoff, 1 month ago @coreyspowell A favourite bugbear of mine, when I'm asked a similar question I tend to answer in terms of "there-and-then is the same as here-and-now for anything travelling at c" as a quick and dirty version of the GR perspective.
@coreyspowell A favourite bugbear of mine, when I'm asked a similar question I tend to answer in terms of "there-and-then is the same as here-and-now for anything travelling at c" as a quick and dirty version of the GR perspective.