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Article #14246Re: Excavating (minig) gold in the space by NASA.
From: Bob Myers
Date: Thu, 13 Jun 1991 20:52
Date: Thu, 13 Jun 1991 20:52
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>So this means the asteroid is no more than 0.001% platinum and 0.0001% gold.
>How does this compare with terrestrial ores? Besides, a body of 10^9 tons
>doesn't sound too feasable to "bring down" to Earth.
No one would seriously propose to bring 10^9 tons down - not when there's
more than enough energy, practically free for the taking, in space. A
reasonably high orbit is the proper place for smelting this thing, then
you just drop the refined metals down in conveniently-sized batches.
Bob Myers | "There is a law of inertia. And I have found that of
myers@fc.hp.com | all the inert substances, the most inert is the
| human brain." - Edward Teller
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!sdd.hp.com!hplabs!hpfcso!hpfcdj!hpfcrlm!myers From: myers@hpfcrlm.HP.COM (Bob Myers) Newsgroups: sci.electronics Subject: Re: Excavating (minig) gold in the space by NASA. Message-ID: <17660172@hpfcrlm.HP.COM> Date: 13 Jun 91 20:52:04 GMT References: <sehari.676666308@du248-12.cc.iastate.edu> Organization: Hewlett Packard -- Fort Collins, CO Lines: 15