0.000198
0.000018 = eighteen millionths.
Take the rear panel off ? Or just call 1800-54giant lol that is what I always do but on a serious not you can just search findzer or google or ad this to your igoogle so yo always have hte search at your disposal http://www.google.com/ig/adde?synd=open&source=ggyp&moduleurl=findzer.com/googlegadgets/000018.xml
There are a bunch of them just depends on which solar system you want :) I found a few at findzer.com's general search and at google. just add this to your igoogle and you can find answers to any question all day long http://www.google.com/ig/adde?synd=open&source=ggyp&moduleurl=findzer.com/googlegadgets/000018.xml