Re: compression at altitude, etc.

[Jim Grant <jigrant@cisco.com>]

Toby B wrote:
So as the air thins considerably, the number of
> molecules are reduced, and the pressures go down accordingly.  Fewer
> molecules compressed into a closed space produce less pressure...
> 
Uh, yup.  This is correct.  The air at higher altitudes is essentially
'less compressed' to begin with than at lower altitudes, and would
require more compression to reach the same static pressure.

Cheers, Jim