The Universe doesn't have sides. Its expansion involves making space itself "bigger", for lack of a better term. It's like asking "If you blow a balloon up big enough, won't its sides eventually meet?"
Originally Posted by themank
STARGAZING: All I see are the lights of a billion places I'll never go. --Howard Tayler, Schlock Mercenary
"It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change." Charles Darwin
"It is the duty of the writers to seduce me into suspending my disbelief!" Paul Beardsley