[meteorite-list] Entry Dynamics in Peru

[Mike Fowler]

> 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