Sojourner (rover)

 
Sojourner rover pictured by Pathfinder lander

Sojourner is a robotic Mars rover that landed in the Ares Vallis channel in the Chryse Planitia region of the Oxia Palus quadrangle on July 4, 1997. Sojourner was operational on Mars for 92 sols (95 Earth days). It was the first wheeled vehicle to rove on a planet other than Earth and formed part of the Mars Pathfinder mission. The rover was equipped with front and rear cameras, and hardware that was used to conduct several scientific experiments. ... The Sojourner mission formally ended on March 10, 1998, after all further options were exhausted....”

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