[meteorite-list] a question on fusion crust

[Chris Peterson]

Meteors are pretty well modeled as black bodies, and their spectra 
indicate typical temperatures of 4000-5000 K (with ablation beginning at 
1500-2000 K).

Chris

*****************************************
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com


----- Original Message ----- 
From: "mark ford" <markf at ssl.gb.com>
To: <Meteorite-list at meteoritecentral.com>
Sent: Thursday, March 22, 2007 11:04 AM
Subject: Re: [meteorite-list] a question on fusion crust



> On that subject, anyone know what actual temperature the surface of 

> the

> average Chondrite gets to on atmospheric entry? (it would no doubt 

> vary

> with the entry angle time in flight etc) but there must be a ball park

> figure.

>

> Obviously I doubt anyone can have measured it directly (unless maybe 

> it

> could be done using IR measurement systems pointed at the fireball?), 

> so

> most figures would presumably be theoretical, and we can obviously 

> work

> out what temp a chrondrite melts at, but presumably it gets much much

> hotter than 'just the melting point temp'.

>

> Mark