Re: It's become clear to me that "space colony" dreamers don't want to face the hard problems Earth-side



Einar <einarbb@xxxxxxxxx> wrote:

:
:Ian Parker wrote:
:> On 26 Jul, 01:31, Einar <eina...@xxxxxxxxx> wrote:
:> Aragorn
:> >
:> > And, it also often neglect that fixing things over here may require
:> > resources that are beyond Earth´s own supply capabilities.
:> >
:> I think that is absolutely right. Control of global warming will
:> ultimately require the control of sunlight from space. Suppose we
:> found that we could perform thermonuclear fusion, but that neutrons
:> were a bad idea and we needed lots of He3.
:>
:> Would you need a manned lunar colony? Not necessarily. We would have
:> to send self repairing swarms to mine the Moon.
:>
:> BTW - Earth is NOT suffering from overpopulation. Demographers say the
:> population will peak at just over 9 billion by 2050. In fact in the
:> West we are facing an ageing population.
:>
:
:I´ve also heard it mentioned that our planet could be shielded. Either
:of the two, make enough numbers of spacemirrors or enough numbers of
:solar sails, plase them in an orbit where they reflect a sufficient
:percentage of Sunlight away from the Earth. It´s an engineering
:solution, perfectly dooable I have heard.
:

You're thinking far too large. See Teller, Wood, and Hyde.


--
"It's always different. It's always complex. But at some point,
somebody has to draw the line. And that somebody is always me....
I am the law."
-- Buffy, The Vampire Slayer
.



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