
Mars Rovers Near Five Years of Science and Discovery
None of the engineers who worked on the Mars Exploration Rovers predicted that both would still be operating in 2009 – twenty times longer than the prime mission plan. The rovers have made discoveries about the wet and stormy climate on Mars. They have relayed high-quality images, driven over 21 kilometers, climbed a mountain, descended into craters, and surveyed sandstorms. Read more ›