Provides an overview of the eight planets, various space phenomena such as moons and asteroids, and the technology humans use to explore and study space. Includes a timeline.

Includes index.

Planet Earth and its neighbors -- What is a planet? -- Changing worlds -- Skywatching -- Space age exploration -- The sun -- Mercury -- Venus -- Earth -- Water world -- Living planet -- The moon -- Exploring the moon -- Mars -- The red planet -- Roving on Mars -- Asteroids -- Jupiter -- Jupiter's moons -- Saturn -- Saturn's rings -- Saturn's moons -- Visiting the giants -- The outer solar system -- Uranus -- Neptune -- The dwarf planets -- Comets -- Exoplanets -- Did you know? -- Solar system facts -- Timeline.