Paul P Sipiera

Describes the sun, the planets, and the asteroids that make up our solar system.

Explains the nature, formation, and death of stars.

Examines what a galaxy is, the different types that exist, their structures, and some facts learned from the study of galaxies.

Provides an introduction to comets, covering where they come from, how they travel, their importance to astronomers, as well as their relationship to meteor showers.

Discusses the conditions which cause wildfires. Includes a chapter on the forest fire in Yellowstone National Park in 1988.

Introduces the origins, causes, and destructive effects of volcanoes.

Identifies the groups of stars known as constellations and discusses their origin, uses, and observation.

Highlights the accomplishments of the twelve missions of the Gemini Program, including the first manned space flight and the first extravehicular activity or walk in space.

Examines space stations past and future and discusses their contributions to the exploration of worlds beyond our own.