I wonder if the universe only expands so far and then collapses upon itself. From there it causes another big bang and then keeps expanding to that certain point and then collapses back on itself and from there it causes another big bang and then keeps expanding to that certain point and then collapses back on itself and from there it causes another big bang and then keeps expanding to that certain point and then collapses back on itself and from there it causes another big bang and then keeps expanding to that certain point and then collapses back on itself and from there it causes another big bang and then keeps expanding to that certain point and then collapses back on itself and from there it causes another big bang and then keeps expanding to that certain point and then collapses back on itself and from there it causes another big bang and then keeps expanding to that certain point and then collapses back on itself and from there it causes another big bang and then keeps expanding to that certain point and then collapses back on itself and from ...