Public domain
Two-Color Dunes in Meridiani Terra
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
Why are these dunes different colors? Sand on Mars is typically dark in tone, as it commonly derived from volcanic rocks like lava flows as shown by NASA Mars Reconnaissance Orbiter.
NASA Image and Video Library’s own descriptionCredit lineTwo-Color Dunes in Meridiani Terra. NASA/JPL, 2014-04-09. Public domain. ID: PIA17919.