Out of this world

Presents information about the size, location, temperature, atmosphere, and features of the Earth's moon. Includes a picture glossary and a list of additional resources.

Presents information about the size, location, temperature, atmosphere, and features of the planet Neptune. Includes a picture glossary and a list of additional resources.

Simple text provides basic facts about the planet Mercury. Includes a picture glossary.

Simple text provides basic facts about the planet Mars. Includes a picture glossary.

Simple text provides basic facts about the planet Jupiter. Includes a picture glossary.

Simple text provides basic facts about comets in space. Includes a picture glossary.

Simple text provides basic facts about the Earth in space. Includes a picture glossary.

An in-depth look at the Earth's composition, environment, and biomes.

A comprehensive look at the exploration of the universe, from observations of ancient skywatchers to the first orbiting observatories and voyages of robot spacecraft to the outer solar system.

Describes the discovery and observation of the ninth planet, Pluto, and what has been learned about its orbit, its makeup, and its moon.