[LMB] OT: Practice for terraforming Beta Colony on Earthly deserts.

Raymond Collins rcrcoll6 at gmail.com
Thu Jun 17 00:30:12 BST 2021


Biosphere 2 has been the only experiment in a sealed ecosystem. It was a
experiment that failed because of oxygen using microbes which converted
oxygen into CO2.
People sometimes forget engineering projects begins with failures that are
examined fixed and tested till the next failure,  then fix test, etc.

On Wed, Jun 16, 2021, 6:14 PM baur baur via Lois-Bujold <
lois-bujold at lists.herald.co.uk> wrote:

>
> > 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".
>
> yup ..
>
> > >    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)
>
> servus
>
> markus
>
> > 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
> > illuminating:
> >
> https://www.fastcompany.com/40494297/70000-moon-vacations-the-interstellar-economics-of-andy-weirs-new-book-artemis
> >
> > 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.
> >
> > --
> > Lois-Bujold mailing list message sent to baur at chello.at
> > Lois-Bujold at lists.herald.co.uk
> > http://lists.herald.co.uk/cgi-bin/mailman/listinfo/lois-bujold
> --
> Lois-Bujold mailing list message sent to rcrcoll6 at gmail.com
> Lois-Bujold at lists.herald.co.uk
> http://lists.herald.co.uk/cgi-bin/mailman/listinfo/lois-bujold
>


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