Bruce Murray Space Image Library
Rover family portrait: MER, Sojourner, Curiosity
![Rover family portrait: MER, Sojourner, Curiosity](https://planetary.s3.amazonaws.com/web/assets/pictures/_768x571_crop_center-center_60_line/rover_family_portrait_PIA11431.jpg 768w, https://planetary.s3.amazonaws.com/web/assets/pictures/_576x428_crop_center-center_60_line/rover_family_portrait_PIA11431.jpg 576w)
: Sojourner (center) landed with Mars Pathfinder on July 4, 1997; the Mars Exploration Rovers Spirit and Opportunity (left), landed on Mars on January 4 and 25, 2004; and Mars Science Laboratory Curiosity, set to land on Mars in August 2012.