Found this great link to a scrollable animation of the size of the Universe - from Plank levels 10 ^ -35 metres right up to Galactic Super Clusters sizes 10 ^ 27 metres.
http://images.4channel.org/f/src/589...e_enhanced.swf
Worth a look!
PS
Click start within a few seconds and it runs, ponder for just a bit longer and it irritatingly goes to advertise some daft game!