Ariadnes Colles

This image captured by NASA 2001 Mars Odyssey spacecraft shows part of Ariadnes Colles. The term colles means hills.The hills in this image are much brighter than the surroundings, possibly due to erosion or removal of the darker material from the upper elevations of the hills. Orbit Number: 66840 Latitude: -33.9961 Longitude: 171.816 Instrument: VIS Captured: 2017-01-07 11:47 http://photojournal.jpl.nasa.gov/catalog/PIA21322