Branley, Franklyn Mansfield

Discusses the properties of light, particularly its source in heat.

Explains present and future methods and technology used for the exploration of space and the search for life on other planets.

Describes the qualities of snow, its usefulness to plants and animals, and the hazards it can cause.

Discusses the nine known planets of our solar system, their characteristics, and movements, as well as the possibilities of other undiscovered planets and extraterrestrial life.

Discusses the appearance of the earth as seen from outer space, some concepts of its shape, its composition and size, and its movements and their effect on ocean and air currents.

Discusses sightings of flying saucers or UFO, Unidentified Flying Objects, and possible explanations of these phenomena.

Details the activities of the American Voyager 2 space probe as it made its 1989 flyby of Neptune and its moons. Discusses the eighth planet's orbit, atmosphere, rings, and geology.

An explanation of the nature of the electromagnetic spectrum, the scientific investigations that led to our understanding of it, and its role as a tool of science.

Describes the physical features and characteristics of the "Queen of the Planets" and presents theories about the rings of Saturn.