Re: [GZG] Habitable solar systems (Was: [GZG] Real Astroplitics)

Hugh Fisher wrote:
> It could well be a smaller capital investment than building
> a settlement on a planet. The ideal planet for a settlement
> is earthlike but no native life of its own. If it isn't all
> that earthlike, you have to terraform it which takes a long
> time, or build sealed buildings which won't be much cheaper
> than those for an orbital habitat. If it has native life
> forms, there will be all kinds of time consuming and costly
> experiments/mistakes/disasters. And either way you have to
> ship a lot of stuff down the gravity well until it is self
> sustaining, although this is a lot cheaper than up.

	This is true, but the other problem is
	why would they bother to build it around
	Tau Ceti when it is so much easier to
	build it in some out-of-the-way corner of
	the Solar System?
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