“… Unlike most models, which are compressed for viewing convenience, the planets here are also shown at their true-to-scale average distances from the Sun. That makes this page rather large – on an ordinary 72 dpi monitor it’s just over half a mile wide, making it possibly one of the largest pages on the web. …”

Bravo!

And don’t miss this collection: http://www.brainpickings.org/index.php/2010/10/11/the-scale-of-the-universe/