Signs of Flowing Water on Mars
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Larger view of Terra Sirenum Enlarged View
Enlargement of 2005 Terra Sirenum image (see slide 4), showing details of the new, light-toned gully deposit. The new material covers the entire gully, from the point at which the gully emerged from beneath a mantled slope, down to the spot at which the channel meets the crater floor.

+ Full image and caption
  Jet Propulsion Laboratory
   California Institute of Technology