Jed Rothwell wrote:

I wrote:

There is some debate about how much of these precious metals are available elsewhere in the solar system, but I do not think this matters much. Once you leave the Earth's atmosphere and go to the moon or an asteroid, you can then use raw solar energy to vaporize as much low-grade or as you like . . .


I meant "low-grade ore." Regarding the prospects for prospecting the solar system, see this interesting web site:

http://www.permanent.com/intro.htm

This web site is kind of unorganized. For lunar materials, see:

http://www.permanent.com/l-overvw.htm

Not many metal ores there, at least on the surface. Maybe asteroids or Mars would be a better choice.

- Jed

I'm in the National Space Society these guys seem to be reinventing the wheel. We've already got everything worked out in the L5 society and the other derivations. All we need is the key propulsion solutions: that's the Ares heavy lift system. And a way to pay for it: that's the space tourism angle, the space prizes and good off earth ownership laws (blocked by the socialist law of space) Some of their design work on this web site is obsolite. Why don't they call a Stanford torus a Stanford torus? These guys are verging on plagerism for no good reason.

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