NASA's Opportunity Rover Yields More Data on Changes to Mars' Environment (NASA - The National Aeronautics and Space Administration)

(Source: NASA - The National Aeronautics and Space Administration) NASA's Mars Exploration Rover Opportunity recorded the component images for this self-portrait about three weeks before completing a decade of work on Mars. The rover's panoramic camera (Pancam) took the images during the interval Jan. 3, 2014, to Jan. 6, 2014. Image Credit:  NASA/JPL-Caltech/Cornell Univ./Arizona State Univ. New findings from rock samples collected and examined by NASA's Mars Exploration Rover Opportunity have confirmed an ancient wet environment that was milder and older than the acidic and oxidizing conditions told by rocks the rover examined previously. In this week's edition of the...