Seasonal fans pointing in multiple directions near Mars' south pole

Seasonal fans pointing in multiple directions near Mars' south pole
Seasonal fans pointing in multiple directions near Mars' south pole Each spring, cold jets erupt from beneath a surface layer of carbon dioxide ice. Local winds can blow the dust from its source, forming a long fan. When the wind changes direction, a new fan is formed pointing in the new direction In this single image we can see that the wind has blown in a number of directions. This data will be used to study weather patterns near the South Pole. NASA / JPL / UA

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