Martian rock

Numéro d’image : 11882564
Martian rock
Martian rock. Microscopic image of the surface of the Martian rock 'Adirondack',taken by the Mars Exploration Rover Spirit. This is the first microscopic image of a rock on another planet. It shows a smooth and pitted surface. 'Adirondack' was chosen by scientists because its clean,flat surface is ideally suited to grinding and close examination. Spirit will use a grinding arm to obtain samples of rock for chemical analysis by its spectrometers. The mineral composition of the rock may reveal how it was formed and whether this area was once covered in water. This image measures 3cm across and was taken in January 2004
Licence : Droits gérés
Crédit: Science Photo Library / US Geological Survey / NASA / JPL
Taille de l’image : 1024 px × 1024 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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