Public domain
Spring Fans at Macclesfield
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
Every Martian spring, fans of dust are blown out from under the seasonal layer of carbon dioxide ice that forms a polar cap over the winter. Gas blowing out from under the ice carries with it a load of dust that is deposited on the surface in a direction determined by the wind at the time of the eruption. Like windsocks, these fans in a polar area we've dubbed Macclesfield, record the direction that the wind was blowing.
NASA Image and Video Library’s own descriptionCredit lineSpring Fans at Macclesfield. NASA/JPL, 2020-06-02. Public domain. ID: PIA23954.