
Space / 2014-11-18
Clues to Wet History in Texture of a Martian Rock
Clues to Wet History in Texture of a Martian Rock
NASA's image library records Clues to Wet History in Texture of a Martian Rock.
This close-up view of a target rock called "Last Chance" was acquired by the microscopic imager on the arm of NASA's Mars Exploration Rover Opportunity on March 3, 2004, during the 39th Martian day, or sol, of Opportunity's work on Mars. The area covered in the view is about 2 inches (5 centimeters) across. The embedded spherules evident in this im