A very nice write up on the comet can be found at this very prestigeous site: http://www.cfa.harvard.edu/press/2007/pr200726.html click on the image details for a surprise... Chris __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.