Naktong Vallis is an ancient river valley in the

Arabia quadrangle The Arabia quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Arabia quadrangle is also referred to as MC-12 (Mars Chart-12). The quadrangle contai ...

Mars Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, only being larger than Mercury. In the English language, Mars is named for the Roman god of war. Mars is a terrestrial planet with a thin at ...

, located at 5.3 degrees north latitude and 327.1 degrees west longitude. It is 670 km long and was named after the

Nakdong River The Nakdonggang River or Nakdonggang () is the longest river in South Korea, and passes through major cities such as Daegu and Busan. It takes its name from its role as the eastern border of the Gaya confederacy during Korea's Three Kingdoms Er ...

in Korea. Naktong Vallis is part of the Naktong/

Scamander Scamander (; also Skamandros ( grc, Σκάμανδρος) or Xanthos () was a river god in Greek mythology. Etymology The meaning of this name is uncertain. The second element looks like it is derived from Greek () meaning 'of a man', but t ...

Mamers Mamers () is a commune in the Sarthe department in the region of Pays de la Loire in north-western France. The neighboring communes are: Commerveil, Saint-Longis, Saint-Rémy-des-Monts, Origny-le-Roux, Suré. Mamers is twinned with the town Ma ...

Valles lake-chain system that is comparable in length of Earth's largest system, like the Missouri-Mississippi.Fassett, C. and J. Head III. 2008. Valley network-fed, open-basin lakes on Mars: Distribution and implications for Noachian surface and subsurface hydrology. Icarus: 198. 39-56.

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