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

Indication of Hydration in Veins and Nodules of ‘Knorr’ in ‘Yellowknife Bay’. At different locations on the surface of the same rock, scientists can use the Mast Camera (Mastcam) on NASA’s Mars rover Curiosity to measure the amount of reflected light at a series of different wavelengths. Image credit: NASA/JPL-Caltech/MSSS/ASU (Click image to enlarge)