# PhotoOfTheDay : Curiosity Finds Evidence of an Ancient Sandstorm Billions of years ago, an hours-long Martian sandstorm blew so intensely that sand ripples began to climb upon one another as they mo

# PhotoOfTheDay : Curiosity Finds Evidence of an Ancient Sandstorm Billions of years ago, an hours-long Martian sandstorm blew so intensely that sand ripples began to climb upon one another as they moved across the surface. These layers of sediment eventually hardened into the multilayered rocks seen in this image. https:// science.nasa.gov/photojournal/ curiosity-finds-evidence-of-an-ancient-sand