You could also take a look at http://htwins.net/scale2/ http://htwins.net/scale2/. It's also a very nice demonstration of the scale of the universe from the sma

You could also take a look at http://htwins.net/scale2/ http://htwins.net/scale2/. It's also a very nice demonstration of the scale of the universe from the smallest to the largest objects.