Ancient Oceans May Have Covered One-Third of Mars

A vast ocean likely covered one-third of the surface of Mars some 3.5 billion years ago, according to a new study conducted by University of Colorado at Boulder scientists.



The CU-Boulder study is the first to combine the analysis of water-related features including scores of delta deposits and thousands of river valleys to test for the occurrence of an ocean sustained by a global hydrosphere on early Mars. While the notion of a large, ancient ocean on Mars has been repeatedly proposed and [...]

Full story at http://spacefellowship.com/news/art20923/ancient-oceans-may-have-covered-one-third-of-mars.html