NASA’s Curiosity rover lands on Mars – Aug 2012

La explosion de los motores durante el descenso con cohetes,excavo el area señalada

‘Editorial Use Only : Mandatory credit ‘NASA/JPL-Caltech/MSSS/Rex’
Mandatory Credit: Photo by NASA/JPL-Caltech/MSSS / Rex Features (1816234e)
This colour image from NASA’s Curiosity rover shows an area excavated by the blast of the Mars Science Laboratory’s descent stage rocket engines
NASA’s Curiosity rover lands on Mars – Aug 2012
This is part of a larger, high-resolution color mosaic made from images obtained by Curiosity’s Mast Camera. With the loose debris blasted away by the rockets, details of the underlying materials are clearly seen. Of particular note is a well-defined, topmost layer that contains fragments of rock embedded in a matix of finer material. Shown in the inset in the figure are pebbles up to 1.25 inches (about 3 centimeters) across (upper two arrows) and a larger clast 4 inches (11.5 centimeters) long protruding up by about 2 inches (10 centimeters) from the layer in which it is embedded. Clast-rich sedimentary layers can form in a number of ways. Their mechanisms of formation can be distinguished by the size, shape, surface textures and positioning with respect to each other of the fragments in the layers

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