English: High-Resolution Stereo Camera nadir and colour channel data taken during orbit 11467 on 4 January 2013 by ESA’s Mars Express have been combined to produce this colour view of two craters, both roughly 50 km in diameter. The data were acquired in the Thaumasia Planum region just south of Vallis Marineris at approximately 17°S / 296°E and have a ground resolution of approximately 25 m per pixel. The northern (right) crater is named Arima, while the southern (left) crater is unnamed. Both large craters sport central pit features.

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Credit: ESA/DLR/FU Berlin (G. Neukum), CC BY-SA 3.0 IGO

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