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The air-blown forms in the sands of "Aeolian Landscape" (lower left) and the wind-crafted patterns of dust and snow in Mars' southern polar ice cap (upper right) bear a strong resemblance  to each other.
Aeolian Landscape and Mars' Southern Polar Cap, Photo Credits: Exhibit Photo Ned Kahn, Mars Photo NASA
Lower left: Aeolian Landscape (photo credit: Ned Kahn)  Upper right: Southern polar ice cap of Mars (photo credit: NASA)

How It Works:  A fan blows air across a basin filled with fine powder in this artwork.  Visitors may change the direction of the fan to create new patterns of dunes and wind-swept features.