Includes bibliographical references (page 23) and index.
Contents
Rocks in outer space -- Flying comets -- Halley's comet -- Amazing asteroids -- The first near-earth asteroid.
Summary
We think of space as being empty, but that isn't quite true. In addition to stars, planets, and moons, there are asteroids and comets. Asteroids are rocks that orbit the sun. Comets are chunks of ice and dust that form on the edges of the solar system. Detailed table of contents, diagrams, full-color photographs, further information section, glossary, index and websites.