This book discusses the orbit, physical characteristics, and exploration of the Moon.

This book discusses the orbit, physical characteristics, and exploration of the sun.

"An introduction to human space exploration for primary and intermediate grade students, with information about the early history of space travel and current space exploration. Includes a list of highlights for each chapter, fun facts, glossary, resource list, and index"--

Photographs and text present information about the surface, orbit, and phases of the moon, its effect on the Earth's tides and lunar exploration.

Presents information on Venus, including its volcanoes, arachnoids, and pancake domes, as studied by U.S. and Soviet spacecraft. Includes a glossary and "Venus Quick Facts."

Explores the relationship between the Sun and Mercury and Venus, from the point of view of a planetary scientist, examining the role of Mercury and Venus as recorders of the formation of the solar system.

Discusses the ninth planet from the sun, including its discovery, atmosphere, charateristics, and exploration.

Explores the relationship between the Sun and the Earth and Moon, from the point of view of a planetary scientist, examining the role of the Earth and Moon as recorders of the formation of the solar system.

Describes the nature and movements of comets and meteors and examines what happens to meteors after they hit the Earth.