> contemplating scale like this is dazzling to me. indeed i saw a television show once, about some university where they had built a scale model of the solar system, such that the sun was the size of a basketball or something, and pluto was a pebble located a few miles away... come to think of it, i know of another scale model... the 5k version http://www.the5k.org/description.asp/entry_id=944 earlier version http://www.solarsystem.org.uk/model.html rudy