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Sirenum Troughs

March 16, 2005
NASA's Mars Global Surveyor shows layered material in the walls of troughs in the Sirenum Fossae region of Mars. Also evident are large windblown ripples and boulders on their floors.

16 March 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows layered material in the walls of troughs in the Sirenum Fossae region. Also notice large windblown ripples and boulders on their floors.

Location near: 31.7°S, 151.9°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Winter

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