A close up of NASA Sojourner as it placed its Alpha Proton X-Ray Spectrometer APXS upon the surface of the rock Yogi. Distortion in the background is due to parallax.
A close up of NASA Sojourner as it placed its Alpha Proton X-Ray Spectrometer APXS upon the surface of the rock Yogi. Distortion in the background is due to parallax.