Spirit and its sister rover, Opportunity, are fully equipped robot geologists.
Spirit and its sister rover, Opportunity, are fully equipped robot geologists. The big science question for both rovers is how past water activity on Mars has influenced the Red Planet’s environment over time. Both rovers are packed with sensors and cameras. They have been revealing Mars in unprecedented detail, from microscopic images of rocks to panoramic views of the rocky landscape. The robots have been exploring Mars since January 2004. > Read More