There is more than one 'infinity'—in fact, there are infinitely-many infinities, each one larger than before! read more
Nothing in terms of value. Note that since Georg Cantor infinity changed to being an umbrella term with ever greater forms of infinity. So you can have one element in the set of infinities that exceeds another with, for example, [math]\infty + \infty[/math] being greater than [math]\infty [/math]. read more
So although Buzz Lightyear’s goals of travelling ‘to infinity and beyond’ doesn’t make sense in the literal sense—infinity is not a place, nor a destination, nor a final point—you could argue that mathematics allows us to explore infinity and beyond. read more