Evidence for recent groundwater seepage and surface runoff on Mars.

@article{Malin2000EvidenceFR,
  title={Evidence for recent groundwater seepage and surface runoff on Mars.},
  author={M. Malin and K. Edgett},
  journal={Science},
  year={2000},
  volume={288 5475},
  pages={
          2330-5
        }
}
Relatively young landforms on Mars, seen in high-resolution images acquired by the Mars Global Surveyor Mars Orbiter Camera since March 1999, suggest the presence of sources of liquid water at shallow depths beneath the martian surface. Found at middle and high martian latitudes (particularly in the southern hemisphere), gullies within the walls of a very small number of impact craters, south polar pits, and two of the larger martian valleys display geomorphic features that can be explained by… Expand

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