Now go outside and look at the sky.
Powers Of Ten
A Java zoom from outer space all the way down to subatomic particles.
I remember seeing the original film with that title (same subject - a zoom from a galactic scale all the way down into an atom) a long time ago back in Germany on TV and I was mightily impressed with how such a simple concept can put us in our place in the cosmos...
It's very easy to forget how much more of everything there is.