NASA's Mars Exploration Rover Opportunity is spent the seventh anniversary of its landing on Mars investigating a crater called "Santa Maria," which has a diameter about the length of a football field. This scene looks eastward across the crater. Portions of the rim of a much larger crater, Endurance, appear on the horizon.
Opportunity landed in the Meridiani Planum region of Mars on Jan. 24, 2004, Universal Time (Jan. 25, Pacific Time)
Image Number: NASA-PIA13794
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