These spirals resemble lava coils on Earth, such as those forming on the surface of Hawaiian lava flows. "These can only be explained by lava processes," Ryan said. "There are no known processes to ... more 
These spirals resemble lava coils on Earth, such as those forming on the surface of Hawaiian lava flows. "These can only be explained by lava processes," Ryan said. "There are no known processes to twist ice around on that scale."Future modeling of how these spirals formed can help figure out the composition of these lavas, "which can tell you about the composition of the Martian crust and mantle, things we don't know much about," Ryan said.
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| Photo by NASA/JPL-CALTECH/UNIVERSITY OF ARIZONA
Fri 27 Apr, 2012 11:53 AM IST
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