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Re: (meteorobs) FWD from Keith Evanson



george's "heat model" is accurate.

two points worth amplifying: 
1- thermodynamically, a meteoroid's burn through the atmosphere is not
unlike fried ice-cream - the deep chill of the core rapidly absorbs any heat
on the core's surface;
2- the final stage of descent for most meteorites actually cools them off:
the slowly final speed acts as a nice breeze;

darryl

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