[Nataku X]

Also, a final point--there is no point that is the center of the universe. The universe itself was the Big Bang (both in space and mass), so the entire Universe was the "center" at one point. That's my amateur understanding anyway. Have a great weekend. :-)

[Dead Corpse]

Yep. Already got that. Your analogy is also one of the reasons that inflationary theory is still just a theory. If we are considered on the "inside of the balloon", even if you are thinking in 4D space/time, you should still be able to find the area of least expansion. Unless there is "more universe" pouring out of that "spot", we should be able to detect a "center" to it.

They can't. They probably never will. The Universe isn't "closed" and it will never expand to a point where everything becomes a uniform level soup after the black holes all evaporate. Things will continue to recycle.