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Galle Scene

July 26, 2004
NASA's Mars Global Surveyor shows a scene in southern Galle Crater on Mars, otherwise known as Happy Face Crater. A series of dark sand dunes have been crisscrossed by dust devils.

26 July 2004
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a scene in southern Galle Crater, otherwise known as Happy Face Crater. At the north end of the image (toward top, center) is a gully that formed on a slope. At the south end (bottom) is a series of dark sand dunes that have been crisscrossed by dust devils. The dust devils left behind tell-tale streaks. This image is located near 51.9°S, 31.6°W, and is illuminated by sunlight from the upper left. The image covers an area about 3 km (1.9 mi) wide.

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