Estalella, Robert

Discusses the characteristics of the nine planets of the solar system, describing surface features, lengths of days, and natural satellites. Includes suggestions for making a model of the solar system.

Describes the life of a star from birth to death and presents related information about constellations, pulsars, black holes, and supernovas.

Presents an introduction to planet Earth, describing the earth's formation and its physical characteristics as well as its relation to other bodies in the universe. Includes directions for making a sundial.

Text and accompanying photographs discuss the evolution of the Moon, its characteristics, influence on the Earth, and appearance during eclipses.

Examines the structure and characteristics of the sun and describes such solar phenomena as sun spots, solar winds, eclipses, and the sun's influence on Earth. Includes an activity on the colors of light.

Describes the Milky Way and other galaxies and discusses such topics as why the sky is dark at night, the "Big Bang" theory, the future of the universe, and the search for intelligent life. Includes an activity on the most distant visible objects in the sky.