Moessbauer Footprint in the Soil

This 3-D anaglyph, from NASA Mars Exploration Rover Spirit, shows a circular imprint left in the Meridiani Planum soil by the rover Moessbauer spectrometer. 3D glasses are necessary.

This 3-D anaglyph, from NASA Mars Exploration Rover Spirit, shows a circular imprint left in the Meridiani Planum soil by the rover Moessbauer spectrometer. 3D glasses are necessary.