Branley, Franklyn Mansfield

Describes how certain animals keep warm, how the human body loses and retains its heat, and how various types of clothing and dwellings aid in heat retention.

Discusses some of the lesser-known astronomical phenomena such as meteorites, asteroids, tektites, zodiacal light, solar wind, and cosmic rays.

Discusses the various theories concerning the creation, expansion, and possible end of the universe. Also defines such phenomena as black holes, neutrons, pulsars, red shifts, and other discoveries that further enhance our knowledge of the world beyond our planet.

Describes the physical characteristics, movements, satellites, and other features of Uranus, with an emphasis on recent discoveries from Project Voyager.

Traces the history of artificial satellites from the launching of Sputnik to the present day and discusses how these satellites have aided advances in communication, weather forecasting, scientific experiments and generally changed the way we live.

Describes the gathering and analysis of moon rocks and what they reveal about the nature of earth's only natural satellite.

Easy-to-read introduction to the tracks made by people and various animals.

Introduces the solar system and its nine planets. Includes directions for making two models, one showing relative sizes of the planets and the other their relative distances from the sun.

Describes the different ways in which we measure time.

Discusses the space vehicle, "Columbia, " the space laboratory, "Spacelab, " and other proposed space projects.