[odawg]

“This means a spaceship could theoretically fly in one direction and eventually arrive at its starting point from the other side it departed.”

Or, as one scientist said, if you had a powerful enough telescope, you would see the back of your head.

[Right_Wing_Madman]

Or, as one scientist said, if you had a powerful enough telescope, you would see the back of your head.

If the universe is finite or infinite, both possibilities are disconcerting to me.

If the universe if finite, then it is expanding into some sort of "super space" and perhaps there are multiple universes in this super space, like bubbles in a beer.

And if the universe is infinite, it's tough for the human brain to grasp that concept.