comets

Describes asteroids, meteors, and comets, including their histories, their compositions, and their roles in the solar system.

Simple text and illustrations present interesting facts about space rocks, comets, asteroids, meteorites.

Presents an illustrated discussion of ice dwarfs, Kuiper Belt Objects, Trans-Neptunian Objects, Pluto, and other relatively small bodies in the solar system such as asteroids, meteoroids, comets, and moons.

Chronicles the formation of the solar system, particularly how asteroids, comets, and meteors were formed, and relates how astronomers learn about the existence and characteristics of these bodies.

Studies comets, asteroids and meteorites and answers such questions as what they are made of, how comets are predicted, and how big asteroids are, and includes projects designed to help children learn more about them.

Discusses the discovery of comets, their life, death, and the mysteries associated with them.

Color photos and diagrams fill this overview of asteroids, comets, and meteors--the "debris of the solar system"--which explains how they are formed and describes famous examples, missions to asteroids and comets, and impacts with Earth. Also includes a glossary and further-reading list.

Introduces asteroids, comets and meteors, including their origin, composition, orbits, and effects on Earth and other bodies in the solar system.

Describes the role that collisions with meteors, comets, and asteroids have played in the history of Earth and other planets in the solar system and examines what is being done to protect Earth from future collisions.

Moomintroll encounters a mouth organist, a moth collector, and a lovely maiden, and discovers the danger of a threatening comet when he takes a journey to seek advice from the Professor.