(Henry Spencer) wrote in :

However, the bottom of that polar crater may be a trifle chilly...

Won't there be similar problems building in a lava tube? No sunlight there
either.

--
Coridon Henshaw - http://www3.telus.net/csbh - "I have sadly come to the
conclusion that the Bush administration will go to any lengths to deny
reality." -- Charley Reese