Martian soil. Colour-enhanced micrograph of a patch of soil on Mars,showing coarse grains on a fine layer of sand. The spherical particles,such as at bottom left,may have been formed by the cooling of molten rock,or by the accretion of successive layers around a smaller particle. Colour-stretching reveals that the particles are different colours,suggesting different mineral compositions. This 3cm-wide image was taken by the microscopic imager instrument on the Mars Exploration Rover Opportunity on 3 February 2004. For a colour version of the same image before enhancement,see R360/121 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / US Geological Survey / NASA / JPL |
Bildgröße: | 1016 px × 1021 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |