Methuselah Outcrop on Mars . ... Credit Copyright: Mars Exploration Rover Mission , JPL , NASA Explanation: What the history of the outcropping of rock called Methuselah? The unusual rock group is visible on the left of the above image taken by the robot Spirit rover current exploring Mars . ... Also visible in the above image are another rock outcrop dubbed Larry's Lookout on the upper right and a larger Clark Hill in the left background. ... NASA Web Site Statements, Warnings, and Disclaimers . ...