The robotic rovers Spirit and Opportunity arrived on Mars in early 2004 to search for clues of past water activity. They were designed to last 3 months. But the plucky explorers far exceeded anyone's expectations. They've functioned for more than 3 years, and the data they've beamed back not only shed light on Mars' past and present, but could also help humans prepare for life there in the future...
The Planet Mars! Wonder when we'll get to have the first man on Mars. From what I see, getting there is not the problem. It's returning them to Earth....
Well, this list the top ten discoveries of the Mars Rovers Spirit and Opportunity. I wonder how the Philippines looks like from a powerful telescope in Mars.
