天文·每日一图

火星的暗沙流瀑

Viewed from above, a landscape on Mars features many ridges of pink sand. Superposed on some of these ridges are thin brown stipes. Please see the explanation for more detailed information.
从上往下看,火星上的地貌呈现出许多粉红色沙脊。其中一些沙脊上覆盖着细细的棕色条纹。有关更多详细信息,请参阅说明。