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Deleted member 16246
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I'm amused at the idea of 'terraforming Mars'... In two hundred and fifty years we managed on this very hospitable planet to increase co2 in the atmosphere from about 1 in 4000 molecules of the atmosphere to 1 in 2000 (aprox figures). But there are people who suggest that we can make a habitable atmosphere on a planet which has 2% of the atmosphere that we have and somehow acquire the water we would need to live which was all lost to space over billions of years since 4 billion years ago.But giving Mars an atmosphere and populating it with enough human diversity to ensure continuance is another matter entirely.
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They also seem to forget that all the time they are trying to do this half way across the solar system and all the earth's population support and technology, the cause of Mars' dry desert, and super cold modern environment is busily undoing their work. Mars did not become what it is for no reason and the reason is still active. It lost its one time habitable environment because the solar wind stripped it away when the planet's magnetic field stopped working. That happened because being much smaller than earth, Mars' interior cooled down and solidified. These fantasists think they can overcome planetary dynamics and the power of the colossal star in the middle of the solar system. Such idiocy is hard to fathom in my view.