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[QUOTE]Originally posted by Omega: [QB] [QUOTE]Originally posted by Nim the Merciful: [qb] Also, begging patience for a layman, why hold out for a terraforming of Venus? Is it impossible to do Mars first? Venus is further into the system, right? So lots of more gravity to force to get there, no? And shitty gas all over the place, like ammonia and other worthless substances. [/qb][/QUOTE]It's not impossible to do Mars, I just think Venus seems easier. It's capable of holding an atmosphere and has earth-like gravity, and Mars will never have either of those. Of course, we'd have to either get it spinning or implement an artificial day/night system. Not sure what you mean by "lots of more gravity to force to get there", but I'd think Venus, being closer to Earth, would require less energy to reach. I'm not an expert, but this is what I understand so far. As I understand things, Venus is very hot and has extreme surface temperatures. These are the two main problems with any sort of mission to the planet. I THINK part of the reason for the high atmospheric pressure is the high temperature. Once you start sublimating elements that should by all rights be solid, your atmosphere is gonna weigh a lot more. So if we could, say, block a good chunk of the sun's heat, the planet should cool down significantly, which should let the heavy gasses solidify on the surface, reducing atmospheric pressure. Of course, given that Venus is nearly tidally locked, it'd just heat up again if you removed the block. We'd need some sort of artificial day/night scheme using large orbiting devices of some kind to maintain a reasonable temperature and thus reasonable pressure. Once that was done, it'd just be a question of survival needs, instead of the planet actively killing you. But I'm just a computer science major, what do I know? :) [/QB][/QUOTE]
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