Blog Post Image: Pebbly Rocks Testify to Old Streambed on Mars

This stereo view from NASA’s Mars rover Curiosity shows a rock called “Link,” which bears rounded pebbles that provide evidence about vigorous flow of water in a stream on ancient Mars. The scene appears three dimensional when viewed through red-blue glasses with the red lens on the left. The scale bar at lower right is 5 centimeters (2 inches). Image credit: NASA/JPL-Caltech/MSSS