•  Urist   ( @Urist@lemmy.ml ) 
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    10 months ago

    For real, resource extraction is a big one. Finding ice means they can make, besides water, oxygen and rocket fuel. Not to mention that shelters for radiation are incredibly hard to make without a huge amount of mass, which we cannot efficiently get into orbit without a space elevator. Hence being able to extract it from the location of the colony, say dig into the ground or build thick walls with bricks made from soil, is necessary for long term survival of the inhabitants. I think it is cool that due to these reasons having air balloons over Venus might even be a better option due to it having a protective atmosphere.

    • You can make a radiation field by running a large motor that would save you from the solar radiation.
      In space you always have access to the sun. A cheap form of power. You need a lot more batteries if you’re on the planet.

      Venus is a much better idea over mars.

      •  Urist   ( @Urist@lemmy.ml ) 
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        210 months ago

        Didn’t know that it was feasible to create a radiation field by running a large motor. Not that I doubt you, but if you have a source I would be very happy to read more about it.

        • I heard about it on one of Isaac Arthur’s videos. I can’t remember which one, but the analogy he used was that earth’s magnetosphere is essentially a big motor created by earth’s metal core spinning. (Oversimplified) So you should be able to build a motor that would shield a station