[meteorite-list] Entry Dynamics in Peru

From: Mike Fowler <mqfowler_at_meteoritecentral.com>
Date: Thu, 4 Oct 2007 15:53:05 -0500
Message-ID: <198FBBCE-9B43-4024-825C-ED0776F669CC_at_mac.com>

> As to the mention of dense atmosphere, doesn't 90% of
> the mass of the atmosphere lie below 2.5 miles above
> sea level?

 From my mountain climbing days, I remember that the rule of thumb
was that 50% of the atmosphere was below 3.5 miles or 18,000 feet.

The highest I made was the summit of Popocatepetl in Mexico, 17,800
feet above sea level.

Mike Fowler
Chicago
Received on Thu 04 Oct 2007 04:53:05 PM PDT