Discusses the nine planets in the Earth's solar system and explains why scientists believe there was life on Mars, how to find planets at night, and why some planets have rings; includes activities to help children learn about planets.
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.
Examines different aspects of outer space and our efforts to study and explore it, including constellations, voyages to the moon, the planets of the solar system, and galaxies.
Explores the origin and exploration of the universe including the Milky Way, Solar System, Sun, Moon, and Earth, and describes the Constellations, the Hubble Space telescope, the space shuttle, and more.