True, but there is thought to be a finite amount of matter + energy, which cannot be created or destroyed. And since it is spreading out from an original dense point, it stands to reason that there would be a vacuum area that it has not reached yet.
That’s not at all how it works. In particular, it didn’t start from an original, dense point. It started everywhere, with nearly uniform density apparently infinitely in all directions. If the Universe is boundless, there is no reason to suspect the material it contains is not equally boundless.
True, but there is thought to be a finite amount of matter + energy, which cannot be created or destroyed. And since it is spreading out from an original dense point, it stands to reason that there would be a vacuum area that it has not reached yet.
That’s not at all how it works. In particular, it didn’t start from an original, dense point. It started everywhere, with nearly uniform density apparently infinitely in all directions. If the Universe is boundless, there is no reason to suspect the material it contains is not equally boundless.