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This mosaic of images shows a boulder-sized rock called "Strathdon," which is made up of many complex layers. NASA's Curiosity Mars rover took these images using its Mast Camera, or Mastcam, on July 9, 2019, the 2,461st Martian sol, or day, of the mission.

The color in the image has been adjusted to approximate white balancing to resemble how the rocks and sand would appear under daytime lighting conditions on Earth.

Malin Space Science Systems in San Diego built and operates Mastcam. A division of Caltech, the Jet Propulsion Laboratory in Pasadena, California, manages the Mars Science Laboratory Project for NASA's Science Mission Directorate in Washington and built the project's Curiosity rover.

For more information about Curiosity, visit http://mars.jpl.nasa.gov/msl or https://www.nasa.gov/mission_pages/msl/index.html.