00984cam a2200241 4500 1055963668 TxAuBib 20141219120000.0 040209s2003||||||||||||||||||||||||eng|u 9780737713664 0737713666 KHPB566 KHP566 TxAuBib Nardo, Don. Black holes. San Diego, CA : Kidhaven Press, 2003. 48 p., 24 cm. Eyes on the sky Includes bibliographical references (p. 45-46) and index. Provides information about black holes, a space phenomenon made up of a very large amount of matter packed into an extremely dense state, discussing what they are, how they are formed, how they are detected, and the possibilities they hold for journeys through space and time. 20040721. Black holes Astronomy. Eyes on the sky.