00470nam a2200097Ia 4500 170517s9999 xx 000 0 und d Cosmic Collisions Right now, massive meteors and asteroids are orbiting dangerously close to Earth. Some may even be poised to hit us in the foreseeable future! Where are they? What type of damage will they cause? What can we do stop... Science. http://topdocumentaryfilms.com/cosmic-collisions/ 334166 334166 0 0 0 CL CL 2017-05-17 0 2017-05-17 00:00:00 2017-05-17 DF