The Inner Planets

Download or read book The Inner Planets written by Britannica Educational Publishing and published by Britannica Educational Publishing. This book was released on 2011-05-01 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite their proximity to Earth, much remains to be learned about the origins and conditions of Mercury, Venus, and Mars. The three smallest planets in our solar system and the three closest to the Sun—Mercury, Venus, and Mars—differ greatly from each other and from the place we call home. This far-reaching volume travels to each of the inner planets in turn and details the physical characteristics as well as the exploration efforts made in order to learn more about our closest planetary neighbors.