Annotation: "Black holes are neither holes nor black. In fact, they're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena in this intriguing book. Carefully crafted text breaks down the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space!"-- cProvided by publisher.