NASA's Mars Global Surveyor shows the frost-covered rims of Lomonosov Crater in late martian spring. Low, ground-hugging fog can be seen in association with the retreating seasonal polar cap.

26 September 2004
This blue wide angle Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows the frost-covered rims of Lomonosov Crater in late martian spring. At the north (top) end of the image, low, ground-hugging fog can be seen in association with the retreating seasonal polar cap. Lomonosov Crater is about 150 km (93 mi) in diameter and located at 65°N, 9°W. The image is illuminated by sunlight from the lower left.

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