Includes bibliographical references and index.

"From black holes to dark matter, galaxies to supernovas, nothing could be more fascinating than outer space, especially to young readers. Every day, scientists are discovering new, mind-blowing facts about the universe's infinite mysteries. This engaging volume is filled with amazing astronomical science concepts presented at an age-appropriate level via an entertaining fun-fact layout . Brilliant, full-color photography and clear graphic organizers accompany accessible text for a reading experience that's out of this world." --,(Source of summary not specified)