This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
mars nasa mro jpl university of arizona universityofarizona uofa ua geology landscape blackandwhite monochrome texture abstract outdoor black and white Possible Carbonates in Nili Fossae NASA of Arizona km across www.uahirise.org Possible Carbonates in Nili Fossae NASA of Arizona km across www.uahirise.org