>> experts at vandenberg air force base and nasa say the satellite will reenter the atmosphere sometime tooferm noon give or take about 14 hours. (laughter) >> stephen: yes, tomorrow afternoon, give or take 14 hours. (laughter) which means you either have until saturday morning or you were vaporized two hours ago. and nasa has pinpointed exactly where the satellite will fall, jim? >> engineers now expect it will break into 100 pieces on reentry, a quarter of those could make it to earth. nasa is pretty sure that any surviving pieces of the satellite will fall somewhere between 57 degrees north and 57 degrees south. (laughter) >> stephen: okay. so the evacuation zone-- (applause) >> stephen: the evacuation zone is this area. (laughter) right here. if you are one of the 6 billion thrill seek ares in the impact zone, you will want to flee to the safety of either antarctica or the norwegian island of svalbarg,. and folks don't worry, because you have plenty of time to get there because in addition to providing a 28 hour impact window across 118 million square mile danger zone, nasa is provi