Fascinating stuff. Thanks for those links.
Never knew such designs existed.
Distant cataclysms and remote-probability
events don't concern me so much. But I suspect
that we are looking at more than one highly
probably cataclysm in our lifetimes, due to
the combined effects of overpopulation and
environmental damage, if nothing else.
The "habitat" idea is tres interesting.
But while the FAQ dismissed the idea of a
meteor as the low-probablity event it is,
a saw no discussion at all of the effects of
*very* common meteorites.
When your atmosphere is held within a shell,
as it were, rather than held within a
gravitational shield, what happens when a
meteorite punctures that shell? In the current
arrangement, they burn up in the atmosphere.
But we have a few miles of atmosphere, and
an "inverse" shell to hold it here. How do
the space habitats deal with that?
(If they can, then they do represent a highly
viable response to low-probability threats
like meteorites (although its hard to know
just *how* low that probablity is) and to
high-probablility threats like global warming,
energy exhaustion, water shortage, etc.)
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