Scientist Kenneth Nealson, in Newsweek, describes how powerful geological forces in the Earth's past could have sent millions of tons of soil containing microbes into space eventually reaching Mars.
United States of America (Press Release) May 30, 2008 --
Recently, the headlines are filled with statements from NASA that soil on Mars may contain microbial life. What if this is true after all? Would such a discovery confirm that life had evolved on Mars. No.
Even if we do find evidence of life on Mars it would have most likely have come from our very own planet - Earth! In the Earth's past there was powerful volcanic activity which could have easily spewed dirt containing microbes into outer space which eventually could have reached Mars. A Newsweek article of September 21, 1998, p.12 mentions exactly this possibility.
"We think there's about 7 million tons of earth soil sitting on Mars", says Kenneth Nealson. "You have to consider the possibility that if we find life on Mars, it could have come from the Earth" [Weingarten, T., Newsweek, September 21, 1998, p.12].
To read the full article please go to: http://www.nowpublic.com/strange/life-mars-could-have-come-earth
Even if we do find evidence of life on Mars it would have most likely have come from our very own planet - Earth! In the Earth's past there was powerful volcanic activity which could have easily spewed dirt containing microbes into outer space which eventually could have reached Mars. A Newsweek article of September 21, 1998, p.12 mentions exactly this possibility.
"We think there's about 7 million tons of earth soil sitting on Mars", says Kenneth Nealson. "You have to consider the possibility that if we find life on Mars, it could have come from the Earth" [Weingarten, T., Newsweek, September 21, 1998, p.12].
To read the full article please go to: http://www.nowpublic.com/strange/life-mars-could-have-come-earth
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