Re:Travel through wormholes is possible, but slow
by swebs on Monday April 15, 2019 @12:51PM
(#19666748)
No, there's actually more space constantly being added to the fabric of spacetime. So if you take 1 cubic meter of space, eventually it will become 1.01 cubic meters, then 1.02, etc. This isn't noticeable at distances within the galaxy, but it is very noticeable when observing distant galaxies.
https://en.wikipedia.org/wiki/Metric_expansion_of_space