Overlay of sketch on photograph from above to assist in the identification of the structures on the rock bed surface. Image credit: Noffke (2105). Credit: ASTROBIOLOGY, published by Mary Ann Liebert, Inc.
A careful study of images taken by the NASA rover Curiosity has revealed intriguing similarities between ancient sedimentary rocks on Mars and structures shaped by microbes on Earth. The findings suggest, but do not prove, that life may have existed earlier on the Red Planet.
Read more at: http://phys.org/news/2015-01-potential-ancient-life-mars-rover.html#jCp
Read more at: http://phys.org/news/2015-01-potential-ancient-life-mars-rover.html#jCp
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