Signs of Flowing Water on Mars 1 2 3 4 5 6 7 8 9 10 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