Mars 360
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artsit's concept showing jets shooting into martian sky Roaring Jets
Jets of carbon dioxide gas erupting from the south polar ice cap are depicted in this artist's concept. Researchers, interpreting new observations by NASA's Mars Odyssey orbiter, think the jets erupt with the approaching spring.

This interpretation reveals that this part of the planet is more dynamic than expected.

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  Jet Propulsion Laboratory
   California Institute of Technology