Asteroid use

--- In spacesettlers@egroups.com, Marcel Williams
> MW: No one has ever produce 1G similated gravity
> habitats in space either-- but physics is physics. And
> building a light sail would be a trillion times
> easier than building a fusion rocket, or even a mass
> driver, IMO. And in an earlier post, I proposed a 1
> billion dollar annual NASA research program over the
> next ten years to test and to build lightsails in
> space.
> But if you want to learn more about the light sail
> concept, you can visit my lightsail webpage at the
> following URL:
> http://members.telocity.com/~hydra9/lightsails.html
>
> Marcel F. Williams
> 1/6/00
>
Marcel,

Have you considered how light or solar sails could be constructed out
of durable materials such a glass and aluminum that we could find on
the moon?

I believe that NASA studies of hydrocarbon materials limits their
life to less than 5 years due to atomic oxygen from the sun.

Regards,

Tom Tucker