Author : Alexandra Siy
Release : 2011-07-01
Genre : Juvenile Nonfiction
Kind : eBook
Book Rating : 425/5 ( reviews)
Book Synopsis Cars on Mars by : Alexandra Siy
Download or read book Cars on Mars written by Alexandra Siy. This book was released on 2011-07-01. Available in PDF, EPUB and Kindle. Book excerpt: Follow the course of NASA's Mars Exploration Rovers Mission. Learn how scientists determined that there was once water on Mars and how they resolved problems with the rovers in order to prolong the mission.