The Focus On Middle School Astronomy Student Textbook, 3rd Edition introduces young students to the scientific discipline of astronomy. Students will learn about the history of astronomy; various astronomical tools, including telescopes, space probes, landers, and rovers; the phases of the Moon and how the Moon affects the Earth; the Sun, solar energy, and the chemistry and physics of stars; how time is measured; using a star atlas; the life cycle of stars; the planets in our solar system and their characteristics; the Milky Way Galaxy and other galaxies; novae and supernovae; comets, asteroids, nebulae, and other objects in space; and more. The Focus On Middle School Astronomy Student Textbook, 3rd Edition has 12 full color chapters, a glossary-index, and pronunciation guides. 148 pages. Grades 5-8.