Powers of 10

Jennifer Ouellette's latest on the cosmos here:
http://news.discovery.com/space/oh-what-a-cosmic-web-we-weave.html

Jvar gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));


try {
var pageTracker = _gat._getTracker("UA-7602120-1");