Restating, now that I’ve written all that out and my mind is clearer: the fundamental problem is that there’s no absolute time to stop. Your galaxies wouldn’t stop rotating, they’d spin apart about whatever point you decided to take your volume of simultaneity from.
Restating, now that I’ve written all that out and my mind is clearer: the fundamental problem is that there’s no absolute time to stop. Your galaxies wouldn’t stop rotating, they’d spin apart about whatever point you decided to take your volume of simultaneity from.