[LMB] OT: Practice for terraforming Beta Colony on Earthly deserts.
baur at chello.at
Wed Jun 16 09:58:06 BST 2021
> Matija Grabnar via Lois-Bujold <lois-bujold at lists.herald.co.uk> hat am 16. Juni 2021 um 10:23 geschrieben:
> On 16/06/2021 05:58, Matthew George wrote:
> > We have no idea how to colonize the Moon.
> Oh, we have some ideas. And more ideas will come.
> > We can't establish closed
> > ecosystems, or even moderately sustainable ones.
> Not as much "we can't" as "the first thing we tried had unexpected
> problems, and we haven't tried anything since".
and frankly - i would espect Elon to start up yet another company specialising in research, design and construction of closed life support system
> That is not the nearly same as "we can't". It's just a "we don't YET
> know how".
> > We don't even have the
> > technologies it would take to operate mines with remote control on the
> > Moon, much less send people there to keep systems running.
> Pshaw. Given the funding, I bet I know enough engineers to form a team
> that could design the solutions needed in a year or two. Martian rovers
> (and the helicopter) are given rough instructions, and they execute them
> autonomously - and that is with the signal delay on the order of 15
> minutes. The moon's signal delay is on the order of a second or so. It
> would be awkward for direct remote operation (the way a backhoe operator
> operates a backhoe), but it would only take slightly more
> sophistication. None of this would require any terribly original
> solutions, though it is not yet at the off-the-shelf level.
yup - and at least for nickel-iron the separation / purification for luna is VERY simple .. grind and separate the metallic iron with a magnet (0.1 to 0.5% of total regolith mass)
> And of course, the people don't need remote control, they just need a
> living space that doesn't leak atmosphere/water faster than you can
> economically replace them.
> > And there
> > aren't any resources available there that would recoup the vast expenses of
> > gathering them, not even the rare earths that are fueling the quiet cold
> > war over Africa.
> Elon Musk is doing a credible job of reducing the vast expenses. It is
> illuminating to compare the costs of Iridium with the costs of the
> Starlink fleet. Most of Iridium's cost was in launch costs. Musk is able
> to use his recoverable vehicles to launch many more satellites than
> Iridium did for far less money (both per launch and per satellite). And
> if starship works, it will cut costs even further.
> I found Andy Weir's (author of the Martian) analysis of moon costs quite
> Once the expense of going to the moon is reduced, quite a number of
> things on the moon become economically interesting. And once we're
> there, we will find more.
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