Much like the Grand Canyon, Nanedi Valles snakes across the Martian surface suggesting that liquid water once crossed the landscape, according to a team of researchers who believe that molecular hydrogen made it warm enough for water to flow.
Fuente : http://www.eurekalert.org/pub_releases/2013-11/ps-...
Fuente : http://www.eurekalert.org/pub_releases/2013-11/ps-...