Mars: Yogi And Friends in 3D . ... Credit Copyright: IMP Team JPL , NASA Explanation: A ramp from the Pathfinder lander , the Sojourner robot rover , airbags, a couch, Barnacle Bill , and Yogi Rock appear together in this 3D stereo view of the surface of Mars . Barnacle Bill is the rock just left of the solar-paneled Sojourner and Yogi is the big friendly-looking boulder at the right. ... The stereo view was recorded by the remarkable Imager for Mars Pathfinder (IMP) camera. ...