Panel a: Mosaic map of surface kinetic temperature over Gale crater and the surrounding area. The data sets used include: ORB0469_3 (left swath, image acquired at local time 9:00 am, Ls = 42.0), 2363_4 (centre swath, image acquired at local time 11:10 am, Ls = 324.4), 0436_2 (right swath, image acquired at local time 9:30 am, Ls = 37.9). The black box indicates the location of Gale crater and the outline for Fig. 2. Panel b: Mosaic map for water percentage per mass unit (wt%) over Gale crater and the surrounding area.