We've all seen the movie Deep Impact. That 1998 thriller where a comet barrels toward Earth, forcing world leaders to pick lottery winners for survival bunkers while the rest of us brace for the end.
Add Yahoo as a preferred source to see more of our stories on Google. On January 12, 2005, NASA launched its Deep Impact mission to crash into comet Tempel 1, also known as 9P/Tempel. Two spacecraft ...