This image from NASA's Imager for Mars Pathfinder (IMP) shows noontime on Sol 75 (September 18). The rover's middle right wheel is raised above the surface. Sojourner is over 12 m from the lander, a mission record. Sol 1 began on July 4, 1997.

noontime on Sol 75 (September 18). The rover's middle right wheel is raised above the surface. Sojourner is over 12 m from the lander, a mission record. The image was taken by the Imager for Mars Pathfinder (IMP).

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). The Imager for Mars Pathfinder (IMP) was developed by the University of Arizona Lunar and Planetary Laboratory under contract to JPL. Peter Smith is the Principal Investigator.

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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