File:NirgalVallis by Mariner9.jpg

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DescriptionNirgalVallis by Mariner9.jpg	English: The view of channels on Mars from NASA's Mariner 9 orbiter Русский: Фото долин Нергала на Марсе, полученное орбитальным КА Mariner 9
Date	1972
Source	https://photojournal.jpl.nasa.gov/jpegMod/PIA15090_modest.jpg
Author	NASA/JPL-Caltech

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