It's Astronomical Dwarf Planets Author:John Johnson, Jr. Nine planets? That's so last century! Our solar system just got a makeover. Stellar science writer John Johnson, Jr., leads this fascinating story of Pluto's demotion to a dwarf planet and our new downsized solar system. This book draws on the latest scientific studies to present an engaging, up-to-date overview of our new solar systemits eight ... more »planets, from Mercury to Neptune; its three dwarf planets, Ceres, Pluto, and Eris; and asteroids and comets (now known as small solar system bodies). This book is packed with dozens of full-color photographs and illustrations.« less