Offering more new material, the Encyclopedia includes the latest explorations and observations, hundreds of new color digital images and illustrations, and more than 1,000 pages. It stands alone as the definitive work in this field, and will serve as a modern messenger of scientific discovery and provide a look into the future of our solar system.



Forty-seven chapters from 75+ eminent authors review fundamental topics as well as new models, theories, and discussions
Each entry is detailed and scientifically rigorous, yet accessible to undergraduate students and amateur astronomers
More than 700 full-color digital images and diagrams from current space missions and observatories amplify the chapters
Thematic chapters provide up-to-date coverage, including a discussion on the new International Astronomical Union (IAU) vote on the definition of a planet
Information is easily accessible with numerous cross-references and a full glossary