planets

Describes the nine planets that make up the solar system.

An introduction to planets and moons, discussing the origins of the solar system, the history of planet discovery, the characteristics of Earth and its moon, and conditions on other planets.

Young readers learn about the planets in our soloar system.

Photographs and simple text introduce the planets in our solar system.

Presents facts on Mercury, Venus, Earth, and Mars, describes the surface of each, and discusses missions to explore them.

Contains 140 articles that provide information about various aspects of the solar system and deep-space astronomy, arranged alphabetically from antimatter to x-ray and gamma-ray astronomy; and includes a glossary, a categorized list of essays, and a subject index.

A brief introduction to the characteristics of each planet.

Provides a close-up view of all nine planets in our solar system with accompanying text.

Describes the orbit, temperature, surface formations, composition, and theories of formation of the planet Mercury, and the probe Mariner X that took pictures of it in 1974 and 1975.

A detailed description of the planets of the solar system along wobservations and full-color photographs taken by telescopes on Earth and in space. Includes fun activities to help you understand the mind-boggling facts.