Sol 4159, October 6, 2015. As Opporutnity’s Navcam shot a composite image (above) looking southeast across Endeavour Crater, the Pancam shot a mosaic (below) covering some of the enigmatic patterns in the rock outcrops on the floor of Marathon Valley. (Pancam false-color images by Holger Isenberg.)
As seen from orbit, these rocks showed they contain clay minerals, hallmarks of alteration by water. Mission scientists are eager to map these and study what they can tell of the water history of Endeavour. Click either image to enlarge.
Opportunity raw images, its latest mission status, a location map. and atmospheric opacity, known as tau.
