Branley, Franklyn Mansfield

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.

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.

Explains what shooting stars are, what they are made of, and what happens to them when they land on Earth.

Combines the efforts of several modern scientists to explain the ancient mystery of Stonehenge; who built it and why? How was it built and when?.

A brief introduction to the importance of oxygen in maintaining plant and animal life.