Expanding The Realm Of Acoustic Rapidshare What Is Beyond The Boundries Of The Universe? We All Know It's Expanding But What Is It Expanding Into?

What is beyond the boundries of the Universe? We all know it's expanding but what is it expanding into? - expanding the realm of acoustic rapidshare

Hubble's Law shows that the universe is expanding. I am very curious what is the medium that is growing? Of course, no one knows with certainty that all responses would be purely speculative. And it raises the question ... Are there other worlds, and there is the possibility of a Collission with ours? Now we are really enter into the realm of science fiction. I look forward to interesting responses. Peace!