Gullies On Mars Show Tantalizing Signs Of Recent Water Activity
Monday, March 2, 2009 - 13:21
in Astronomy & Space
Planetary geologists have located a gully system on Mars that appears to have been carved by melt water that originated in nearby snow and ice deposits. The gullies, which were determined to be about 1.25 million years old, may represent the most recent period when water flowed on the planet.