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'Terra-forming'.. (Or: 'Better Living Through Breathing an Oxygen/Nitrogen Mixture')
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[QUOTE]Originally posted by Woodside Kid: [QB] Terraforming Mars has two major major difficulties going against it. The first, is of course, temperature. At Mars' distance from the sun the solar intensity is only about 43 percent of Earth normal. To put that in concrete terms, if you dropped Earth into Mars' orbit, even with our thicker atmosphere, there wouldn't be enough solar radiation to keep the climate temperate; the average global temperature would drop nearly 100 degrees F. The second hurdle is Mars' lower gravity. Mars can't retain enough of an atmosphere to keep from freezing over the long run. If it could, it would be doing so right now, and we wouldn't be having this discussion. Venus isn't much better of a candidate, either. Drop Earth into its orbit, and the global temperature would go up almost 100 degrees F. TSN raised a good point; it really [i]doesn't[/i] make much sense to terraform a planet outside the zone of habitability in a solar system. [/QB][/QUOTE]
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