Glass windows

On Aug 16, 2006, at 16:42 UTC, Xenophile wrote:

> Here's something. When I read of bases on the Moon, there is usually
> talk of burying it under five metres of soil. This always puzzled me,
> as two seems to be considered enough for an O'Neill habitat, when the
> rays can come at you from any direction, but on the moon, where you
> have multiple terratons of solid Moon shilding you from all but about
> 45 of sky, it needs to be more?

I'm not sure what you're reading -- the Lunar Base Handbook (p. 534,
for example) speaks of burying habitat modules under 50 cm, 75 cm, or
100 cm of regolith. After some analysis, they conclude that 50 cm
would suffice.

Best,
- Joe

Joe Strout -- joe@...