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Loire Dust Devil

Sept. 25, 2005
NASA's Mars Global Surveyor shows a fuzzy, nearly-circular bright, active dust devil making its way across the rugged terrain of the Loire Vallis system on Mars.

25 September 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows an active dust devil making its way across the rugged terrain of the Loire Vallis system. The dust devil, seen as a fuzzy, nearly-circular bright feature near the center of the picture, is casting a shadow toward the right/upper right (east/northeast). Unlike some martian dust devils, this one did not make a dark streak on the ground. Many more dust devils occur on Mars than there are dust devil streaks observed on the planet's surface.

Location near: 18.2°S, 16.5°W
Image width: width: ~3 km (~1.9 mi)
Illumination from: lower left
Season: Southern Spring

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