Describes the nature and origin of supernovas, how they provide information on the formation of stars and planets, and what was learned from study of Supernova 1987A.
Examines how volcanoes form and erupt, where they are found, and how one can tell when a volcano is about to explode. Includes full-color illustrations and a simple project for making an erupting volcano.
Discusses some of the ideas and misconceptions about life in outer space and speculates on the existence of such life in light of recent space explorations.