Re: Asteroid mining question

In article
<9f100219-cc1c-4307-a0ae-1113498aef4b@[EMAIL PROTECTED]
>,
 <randy.mcdonald@[EMAIL PROTECTED]
> wrote:
>Hi!
>
>I've a question relating to asteroid mining.
>
>Reading some of the earlier discussion of asteroid mining, in the
>works of Pournelle and other writers, I've read quite a lot of
>speculation suggesting that it would be relatively easy, energy-wise,
>to move an asteroid into Earth orbit.

	Which isn't true for a lot of asteroid. Yes, I know about
NEOs but my memory of the 1970s discussions is that they focused 
on main belt rocks.

>None of these authors can be faulted for not knowing, as we do now,
>that many of those small asteroids are rubble piles or otherwise
>fragile. One thing does leave me puzzled: How did they plan to get the
>mineral resources in these asteroids down to Earth? Or did they not
>plan on that at all?

	There's always aerobraking. 
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