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Originally Posted by Oregon Elephant
It would also need a large power source to maintain the spining (they had these in the anime show Gundam), solar panels would probably work best, being that they never need to be refueled.
It's not that there isn't enough CO2 (there's tons of it in the polar caps), the planet's mass is too small to sustain a deceint atmosphere, most the CO2 that you pump out will escape into space. That is the same problem with O2, it is even lighter than CO2, and it will escape at an even faster rate, so the planet, will most likely never be able to sustain life without life support facilities.
True, but I don't see how Mars can support enough humans (have enough biospheres denoted to farming and living) to be anything more than scientific and mining (that is if there is anything worth mining on Mars). You wouldn't be able to have more than a few thousand people in a biosphere community, and you wouldn't be able to have hundreds upon hundreds of these communities.
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True as that is, the ability to know how to construct and maintain life on a not-so hospitable planet would be an invaluable piece of knowledge to have on our journey to either extraterrestrial, or even outside of the solar system, colonization.
The ability to have Mars act as a 'pit stop', so to speak, for space ships on their way to explore the solar system. I never said it was a perfect idea, I simply stated that it could be the beginning of something bigger than many of the plans going on now.