With the word "universe" meaning everything that exists, how can there be more than one "everything"? It defies logic.
Yeh, thats the stupid string theory stuff. My cat is an expert on string theory.
The whole concept of universe scrambles my brain. What is there beyond the end of universe? How can the Sun keep burning for billions of years? Where did the Sun come from? If the big bang theory is right, where did the material before big bang come from? Since the universe is expanding, how much space is out there for it to expand?
I think I need another drink!!