Scientists have previously hypothesized that a single ocean existed on ancient Mars, but the matter has been hotly debated.More info at TG Daily.
“All the evidence gathered by analyzing the valley network on the new map points to a particular climate scenario on early Mars,” NIU Geography Professor Wei Luo said. “It would have included rainfall and the existence of an ocean covering most of the northern hemisphere, or about one-third of the planet's surface.”
Mars once had a vast ocean
Posted on Wednesday, November 25 2009 @ 0:41 CET by Thomas De Maesschalck