: Over 50% of the material is new compared to the first edition, incorporating the latest planetary explorations and observations.
: Entries are designed to be scientifically rigorous for professionals while remaining accessible to undergraduate students and amateur astronomers. Encyclopedia of the Solar System, Second Edition
: It includes a substantial appendix with data on planetary missions, a full glossary, and an extensive bibliography for further research. Encyclopedia of the Solar System - Book - ScienceDirect.com : Over 50% of the material is new