At first glance, it looks like a tree stump but the circular feature in a newly released image captured by the ExoMars orbiter is actually an ice-rich crater on Mars.
원문출처 : https://www.cnn.com/2022/01/31/world/tree-stump-crater-mars-scn/index.html
원문출처 : https://www.cnn.com/2022/01/31/world/tree-stump-crater-mars-scn/index.html