From planet earth to the far reaches of the universe, this encyclopedia provides the opportunity for readers to explore space. Information is divided into nine sections, beginning with “Observing the Universe,” which covers a definition of space, a history of viewing the stars, telescopes, and observatories. Other chapters include “The Violent Universe,” “Solar System,” “Earth,” “The Moon,” and “The Sun.” “Liftoff” features information on space shuttles, satellites, and rockets.