The first roving vehicle to explore the surface of Mars.
It was carried by Mars Pathfinder, weighed
10 kg (22 lb), and sent back its last transmission on Sep. 27, 1997. Sojouner
traveled a total of about 100 meters (328 ft) in 230 commanded maneuvers,
performed more than 16 chemical analyses of rocks and soil, carried out
soil mechanics and technology experiments, and explored about 250 square
meters (2691 square feet) of the Martian surface.
AND SPACE PROBES