Impact crater Dejnev based on THEMIS day-time image.
|Eponym||Semen Ivanovich Dejnev, a Russian geographer, explorer, and navigator (1605–1673)|
Dejnev is a crater on Mars, located in the Memnonia quadrangle at 25.5° south latitude and 164.8° west longitude. It measures approximately 152 kilometer in diameter and was named after Russian geographer, explorer, and navigator Semen Ivanovich Dejnev (1605–1673). The name was adopted by IAU's Working Group for Planetary System Nomenclature in 1985.
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- "Gazetteer of Planetary Nomenclature | Dejnev". usgs.gov. International Astronomical Union. Retrieved 4 March 2015.
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