Spires of St. Louis

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

An elongated crater called “Spirit of St. Louis,” with a rock spire in it, dominates a recent scene from the panoramic camera (Pancam) on NASA’s Mars Exploration Rover Opportunity.

Opportunity completed its 4,000 Martian day, or sol, of work on Mars on April 26, 2015. The rover has been exploring Mars since early 2004.

This scene from late March 2015 shows a shallow crater called Spirit of St. Louis, about 110 feet (34 meters) long and about 80 feet (24 meters) wide, with a floor slightly darker than surrounding terrain. The rocky feature toward the far end of the crater is about 7 to 10 feet (2 to 3 meters) tall, rising higher than the crater’s rim. … (JPL)

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

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

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