What is a black hole and what does its existence mean? The lastest research on these and other questions is explored inside this book. Easy-to-read text takes readers on a journey through space and explores its most mysterious occupants as well as other bizarre space objects. Up-to-date pictures and clear text introduce new technology and interesting facts about far-off space. Other topics explored include - how black holes suck matter from nearby stars - how some explorers believe black holes may be gateways for exploring the universe - magnetic fields of stars - the birth and death of stars - telescopes and space probes that search for black holes