"Flat Top"
Jet Propulsion Laboratory https://www.jpl.nasa.gov/ July 6, 1997
A close-up of the rectangular rock called "Flat Top."
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.