Twelve point five years on Mars

Credit: NASA/JPL-Caltech/Cornell Univ./Arizona State Univ.

“Marathon Valley” on Mars opens northeastward to a view across the floor of Endeavour Crater in this scene from the panoramic camera (Pancam) of NASA’s Mars Exploration Rover Opportunity.

The scene merges multiple Pancam exposures taken during the period April 16 through May 15, 2016, corresponding to sols (Martian days) 4,347 through 4,375 of Opportunity’s work on Mars. It spans from north, at the left, to west-southwest, at the right.

The high point in the right half of the scene is “Knudsen Ridge,” which forms part of the southern edge of Marathon Valley. Portions of the northeastern and eastern rim of Endeavour crater appear on the distant horizon. Endeavour Crater is 14 miles (22 kilometers) in diameter. The fractured texture of Marathon Valley’s floor is visible in the foreground.

The view merges exposures taken through three of the Pancam’s color filters, centered on wavelengths of 753 nanometers (near-infrared), 535 nanometers (green) and 432 nanometers (violet). It is presented in approximately true color. … (JPL/NASA)

Credit: NASA/JPL-Caltech/Cornell Univ./Arizona State Univ.

Credit: NASA/JPL-Caltech/Cornell Univ./Arizona State Univ.

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