From the moon and sun to the farthest galaxies, outer space is full of celestial wonders that captivate and inspire people worldwide. Introduce young stargazers to marvels beyond Earth and the tools scientists use to study them, including rovers and telescopes. Each title in this high-interest astronomy series includes vibrant photos, elementary-level text, and an in-depth look at one key feature. What is that big, bright object high in the night sky, reflecting the sun's light? It's the moon! With the help of vibrant images and factual, elementary-level STEM text, this nonfiction astronomy title for children examines the history of Earth's lunar satellite, its composition, formation, location, and effect on our planet. A space science feature spotlights the last manned visit to the moon and how soon astronauts will return. Captions, on-page definitions, additional resources, and an index support readers in grade 2 and up.