Replies to post #184643 on Tornado Alley (PROG)

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New Mars theory casts doubt on planet's habitability
A study of clays suggests they might have been formed in hot magma rich in water — too hot to support microbial life. A Caltech planetary geologist is coauthor.
September 9, 2012
http://www.latimes.com/news/science/la-sci-mars-water-20120910,0,4424250.story [with comments]

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More planets could harbour life
New computer models suggest there could be many more habitable planets out there than previously thought.
10 September 2012
http://www.bbc.co.uk/news/science-environment-19545186

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