bigbrain,<br /><br />It is plain as day do not know a thing about what you are talking about. <br /><br />You should give a nice round of applause to those who were responsible for the fantastic "Deep Impact" mission and it will go down into history as such. Either get on the train of reality and accept those facts or get left behind.<br /><br />Now, Stardust is on its way back with samples from another comet, which was another fantastic voyage from the folks of NASA and others who were part of the action.