Curiosity is an aptly named rover that is a part of NASA's Mars Exploration Program. The rover launched in November 2011 and set down in August 2012. The rover's primary purpose is to determine whether Mars has ever had an environment capable of supporting microbes. Since its landing, Curiosity has sent numerous images of the Martian landscape back to Earth. NASA's planetary surface images, and any related data, are commonly analyzed by sedimentologists and stratigraphers due to the nature of sedimentary rocks forming at or near the surface. So now it is time for you to play junior geologist by using your basic knowledge of sedimentary rocks, sedimentary structures, and sedimentary processes and environments. - Select one of the following seven NASA images, which are randomly labeled Image 1 through Image 7. - In your selected photo discuss the sedimentary structure(s) you observed and the possible sedimentary rock types and/or environments in which they could have formed. Image 4, Credit: NASA/JPL-Caltech/MSSS .