The night sky is a place of wonder for all young readers. Stars are of particular fascination, especially once they learn that the sun is a star. In this book, learners explore the gases and life cycle of a star. Incredible, colorful photographs straight from NASA's telescopes and probes will thrill the reader's eyes. Thought-provoking text answers the title's question with easy, accessible language, while igniting interest. This book is right at home in any collection.