Blog Post Image: Curiosity Mars Rover Sees Trend in Water Presence

Hydration Map, Based on Mastcam Spectra, for ‘Knorr’ Rock Target. On this image of the rock target “Knorr,” color coding maps the amount of mineral hydration indicated by a ratio of near-infrared reflectance intensities measured by the Mast Camera (Mastcam) on NASA’s Mars rover Curiosity. Image credit: NASA/JPL-Caltech/MSSS/ASU (Click image to enlarge)