More proof that ancient Mars river may have flowed into huge ocean

Add this to all the hundreds of structures like huts and .... time for a one way trip eh? Hope they're friendly... .

More proof that ancient Mars river may have flowed into huge ocean
Mike Wall Space.com

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July 17, 2013 at 5:57 PM ET

DiBiase et al. / Journal of Geophysical Research / 2013 and USGS / NASA Landsat
Left: A shaded relief map shows channelized sedimentary deposits interpreted as an ancient river delta in Aeolis Dorsa, Mars. Right: A modern delta on Earth.
Scientists have spotted more evidence that an enormous ocean on Mars covered much of the planet's surface billions of years ago.
The latest clues were found in photos from NASA's powerful Mars Reconnaissance Orbiter circling the planet. The images show what appears to be an ancient river delta, which may have emptied into a vast Martian ocean that inundated up to one-third of the Red Planet long ago, a new study reports.
"Scientists have long hypothesized that the northern lowlands of Mars are a dried-up ocean bottom, but no one yet has found the smoking gun," study co-author Mike Lamb, an assistant professor of geology at the California Institute of Technology (Caltech) in Pasadena, said in a statement. [Photos: The Search for Water on Mars]
The new study does not provide the long-sought smoking gun, researchers stressed, but it further bolsters the hypothesis.