Friday, July 18, 2014

Signs Of Life On Mars, Video

Ancient fossilized soils potentially found in deep inside an impact crater suggest microbial life. Gale Crater Soil deep in a crater dating to some 3.7 billion years ago contains evidence that Mars was once much warmer and wetter, says University of Oregon geologist Gregory Retallack, based on images and data captured by the rover Curiosity. Geologist Gregory Retallack, based on images and data gathered by the Mars rover Curiosity, believes 3.7 billion-year-old rocks at the bottom of the Gale impact crater contain fossilized soil. Such soil, called paleosols, have been found in the oldest Earth soils and their presence suggests microbial life was likely.



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