AdvertisementMars Rover Opportunity Emerges From Winter Doldrums, Gets Back On MoveMay 10, 2012Bill ChappellfacebookEmailA mosaic of images taken in January 2012 shows Opportunity's vista north (left) and northeast (right), in an outcrop known as "Greeley Haven," where the rover spent its fifth Martian winter. The image released by NASA is presented in "false color," to make differences in the landscape easier to see. (NASA)