Branley, Franklyn Mansfield

With the help of an adventurous scientist and his fun-loving dog, kids learn about the mysterious force of gravity.

Describes how magnets work and includes instructions for making a magnet and a compass.

Explains how to view stars and ways to locate star pictures, known as constellations, throughout the year.

Using the sun for comparison, examines what astronomers have learned about pulsars, supergiants, white dwarfs, and black holes.

Describes the telescope which will soon be placed in orbit around the Earth to take pictures from space, compares it to other kinds of telescopes, and discusses how its discoveries could extend man's exploration of the universe.

Briefly describes the continual changes that take place within the earth and on its surface.

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.