Lethe Vallis
Encyclopedia
Lethe Vallis is a valley in the Elysium quadrangle
of Mars, located at 4° North and 206.5° West. It is 225 km long and is named after a river in Katmai National Monument, Alaska
, USA.
Elysium quadrangle
The Elysium quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey Astrogeology Research Program...
of Mars, located at 4° North and 206.5° West. It is 225 km long and is named after a river in Katmai National Monument, Alaska
Alaska
Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...
, USA.