Named on September 26, 2012 by the International Astronomical Union as a valley in the Aeolis quadrangle on the planet Mars Aeolis (“Aeolis quadrangle”).
"peace-vallis." YourDictionary, n.d. Web. 08 March 2019. <https://www.yourdictionary.com/peace-vallis>.
peace-vallis. (n.d.). Retrieved March 08th, 2019, from https://www.yourdictionary.com/peace-vallis
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