From the press release:
The Strange Structure of Large Impact Craters on Mars Observed for the First Time by NASA’s Opportunity Rover
Part of the first field geologic map on Mars, showing the last area mapped by Opportunity during its descent of Perseverance Valley. Colors represent different rock types identified from the rover.
Credit: NASA
Note: Representative image at left is often cropped for display purposes. Downloaded high-resolution images are not cropped.
