Portion of a large rock-covered flow feature in the eastern Hellas region of Mars. Dashed line shows path of spacecraft and inset shows resulting radar reflections. Over the glacier, there are two reflections: one from the sloping surface and one from the subsurface below the ice. Image is 12.8 miles (20 km) by 32 miles (50 km). Credit: NASA/JPL/Malin Space Science Systems
