The eastern scarp of the Olympus Mons volcano. Image credit: ESA Click to enlarge | Mon, 06 Mar 2006 - This photograph was taken by ESA's Mars Express spacecraft. It shows the eastern edge of the Olympus Mons volcano on Mars - the biggest mountain the Solar System. These huge cliffs tower above the relatively flat eastern plains around the mountain. The region has been covered repeatedly by lava flows, as recently as 200 million years ago. |