22 May
2016
22 May
'16
8:41 a.m.
Stupid GR question: Physicists talk about the expansion of the universe. Wouldn't it be equivalent to talk about the compression of time? Since there are 3 space coordinates & only one time coordinate, wouldn't Occam's Razor suggest modifying "t" rather than the other coordinates? https://en.wikipedia.org/wiki/Metric_expansion_of_space