nicuramar t1_j284xxf wrote on December 30, 2022 at 9:23 AM

Reply to comment by klausesbois in How fast does the Milky Way spin? How far does Earth move through space in a year? by Sabre-Tooth-Monkey

> Since time slows down as you move faster, we are aging slower than a person would if they were at “rest frame” right?

Not really. You could as well say that we are at rest and they are moving faster. There is nothing special about the CMB frame in that respect. But we can compare the time dilation between us, and I’m sure someone did the math. I have a feeling it will be small.