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Thursday, September 6, 2012
another close up of Mars

The wheel tracks of the Mars Curiosity rover are seen in the dust on Mars in this August 28, 2012 NASA handout photo obtained by Reuters August 30, 2012. A close inspection of the tracks reveals a unique, repeating pattern: Morse code for JPL. This pattern, visible as straight bands across the zigzag track marks, can be used as a visual reference to help the rover drive accurately.

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