00509nam a2200097Ia 4500 170517s9999 xx 000 0 und d Who's Afraid of a Big Black Hole Black holes are one of the most destructive forces in the universe, capable of tearing a planet apart and swallowing an entire star. Yet scientists now believe they could hold the key to answering the ultimate question - what... Science. http://topdocumentaryfilms.com/whos-afraid-of-a-big-black-hole/ 334513 334513 0 0 0 CL CL 2017-05-17 0 2017-05-17 00:00:00 2017-05-17 DF