: Includes up-to-date discussions on major shifts in astronomy, such as the International Astronomical Union's (IAU) redefinition of a planet.
: 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
One key feature of the is that it contains over 700 full-color digital images and diagrams from contemporary space missions and observatories. Other notable features of this edition include: : Includes up-to-date discussions on major shifts in