Signs of Flowing Water on Mars
Follow this link to skip to the main content  NASA logo links to Signs of Flowing Water on Mars
back 1 2 3 4 5 6 7 8 9 10 next
Before-and-after view of a gully on Mars New Gully Deposit
Before-and-after views where a gully flowed in a crater in the Centauri Montes Region. The left image shows the crater in 1999 when no light-toned deposit was present. The right image was taken in 2005. This fresh deposit is several hundred meters or yards long.

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