Describes the structure of the Milky Way galaxy and how information is compiled about its stars and planets. Also discusses the theories and contributions of such early astronomers as Ptolemy, Galileo, and Newton.
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.
Discusses scientific findings about the moon's mass, density, gravity, temperatures, lack of atmosphere, eclipses, orbit, surface, and effect on tides with a section on superstitions.
Presents the progression in man's knowledge of the planet Mars--from the telescope of Galileo to the photographic lens of Mariner IV whose incredible journey close to the Red Planet furnished scientists with more data than ever previously collected.
