Defrosting Dunes
As sunlight hits these Martian dunes at the end of winter, carbon dioxide gas escapes and forms the spots in this image taken from the HiRISE camera on the Mars Reconnaissance Orbiter.
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/cf/dd/cfdd8c9f-8843-44c9-ab92-c77613234ec6/26915291624_23971908e6_k.jpg)
As sunlight hits these Martian dunes at the end of winter, carbon dioxide gas escapes and forms the spots in this image taken from the HiRISE camera on the Mars Reconnaissance Orbiter.