Public domain
Changing Dunes and Ripples in Olympia Undae
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
Olympia Undae is a large field of sand dunes surrounding Mars North Polar ice cap. High latitude covers them with water and carbon dioxide frost in the winter so they are illuminated. NASA Mars Reconnaissance Orbiter views these best in summer.
NASA Image and Video Library’s own descriptionCredit lineChanging Dunes and Ripples in Olympia Undae. NASA/JPL, 2014-04-30. Public domain. ID: PIA18243.
