Extending out from the chaotic terrain... are some extraordinary channels, which are also found in a number of other localities on the planet. It is hard to look at these channels without considering the possibility that they were cut by flowing water.


Mars from Mariner 9, Scientific American, Volume 228, Number 1, January 1973 (p. 58)


Extending out from the chaotic terrain... are some extraordinary channels, which are also found in a number of other localities on the planet. It is...

Extending out from the chaotic terrain... are some extraordinary channels, which are also found in a number of other localities on the planet. It is...

Extending out from the chaotic terrain... are some extraordinary channels, which are also found in a number of other localities on the planet. It is...

Extending out from the chaotic terrain... are some extraordinary channels, which are also found in a number of other localities on the planet. It is...