https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/9653021Edit ImageSaveSaveEditCropCustom TextMake it Yours.Remix, add effects & personalize with your own textCustomizeOr start from these designsSouthern Spring on Kaiser Crater DunesThe sand dunes in Kaiser Crater are partially covered with seasonal carbon dioxide ice (dry ice) in this image. The dunes are made of dark sand, showing through where the dry ice has sublimated (turned to gas) in the spring sun. The fine scale structure of the ripples on the dunes shows up highlighted by the presence or absence of the ice, and the low angle of the sun on the slope. (Image is less than 1 km across.) uahirise.org/ESP_071897_1325NASA/JPL/UArizonaMoreSouthern Spring on Kaiser Crater DunesThe sand dunes in Kaiser Crater are partially covered with seasonal carbon dioxide ice (dry ice) in this image. The dunes are made of dark sand, showing through where the dry ice has sublimated (turned to gas) in the spring sun. The fine scale structure of the ripples on the dunes shows up highlighted by the presence or absence of the ice, and the low angle of the sun on the slope. (Image is less than 1 km across.) uahirise.org/ESP_071897_1325NASA/JPL/UArizonaOriginal public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 900 px | 300 dpiLarge JPEG 2560 x 1920 px | 300 dpiFree Download