[meteorite-list] a question on fusion crust
From: Chris Peterson <clp_at_meteoritecentral.com>
Date: Thu, 22 Mar 2007 11:33:00 -0600 Message-ID: <026901c76ca8$289000a0$2721500a_at_bellatrix> 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 Received on Thu 22 Mar 2007 01:33:00 PM PDT |
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