Public domain
Some Gullies on Mars Could Be Tracks of Sliding Dry Ice
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
These three images taken by NASA Mars Reconnaissance Orbiter are called linear gullies and were taken at different times of the year to observe changes.
NASA Image and Video Library’s own descriptionCredit lineSome Gullies on Mars Could Be Tracks of Sliding Dry Ice. NASA/JPL, 2013-06-11. Public domain. ID: PIA17261.
