Bizarre Mars: Did Lava Bubbles Wrinkle This Giant Circle?

(Before It's News)

The Mars Reconnaissance Orbiter took this image of a “circular feature” estimated to be 1.2 miles (2 kilometers) in diameter. Picture released in December 2014. Credit: NASA/JPL-Caltech/University of Arizona

NASA is puzzled by this “enigmatic landform” caught on camera by one of its Mars orbiters, but looking around the region provides some possible clues. This 1.2-mile (2-kilometer) feature is surrounded by relatively young lava flows, so they suspect that it could be some kind of volcanism in the Athabasca area that created this rippled surface.

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© Elizabeth Howell for Universe Today, 2014. |
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Post tags: HiRISE, mars reconnaissance orbiter, University of Arizona

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