ELI5 Why is it that when the universe expands, we see galaxies far away, but when they close, they all look like they're in the same place?
ELI5 Why is it that when the universe expands, we see galaxies far away, but when they close, they all look like they're in the same place?
I don't know why but when the universe expands it all looks like it's in the same place. Like we all see it in our own stars and planets