This image of the rock 'Flat Top' was taken from one of NASA's Sojourner rover's front cameras on Sol 42. Sol 1 began on July 4, 1997.

This image of the rock "Flat Top" was taken from one of the Sojourner rover's front cameras on Sol 42. Pits on the edge of the rock and a fluted surface are clearly visible. The rocks in the left background comprise the Rock Garden.

Mars Pathfinder is the second in NASA's Discovery program of low-cost spacecraft with highly focused science goals. The Jet Propulsion Laboratory, Pasadena, CA, developed and manages the Mars Pathfinder mission for NASA's Office of Space Science, Washington, D.C. JPL is a division of the California Institute of Technology (Caltech).

Photojournal note: Sojourner spent 83 days of a planned seven-day mission exploring the Martian terrain, acquiring images, and taking chemical, atmospheric and other measurements. The final data transmission received from Pathfinder was at 10:23 UTC on September 27, 1997. Although mission managers tried to restore full communications during the following five months, the successful mission was terminated on March 10, 1998.

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