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NASA spots odd circular structure in middle of Mars lava flows

NASA’s Jet Propulsion Laboratory published a perplexing photo yesterday along with the question, “What is this enigmatic landform?” The photo shows a large, 1.2 mile wide, circular structure (the lab rats think it’s a a giant mutant Martian amoeba) surrounded by a sea of smooth-looking lava flows. NASA scientists believe the mound may be lava that has pushed up beneath the lava flow.

 

 

reekoscience.com/science-news/space/nasa-spots-odd-circul...

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Uploaded on December 4, 2014