Story of dinosaur-killer meteorite impact told in vivid detail

Two scientists have described the bright fireball, crackling noise and sonic boom of the impact 66m years agoWhat would it have been like to have lived through the meteorite impact that wiped out the dinosaurs 66m years ago? Writing in the Conversation, Michael Benton, of the University of Bristol, and Monica Grady, of the Open University, describe in vivid detail how it might have felt.The first sign that something was amiss would have been a new star visible for about a week before the event....