and not substantiated.
Cheers
Steve
From: Graham Ensor via Meteorite-list
To: MEM
Cc: "Meteorite-list@meteoritecentral.com"
Sent: Wednesday, June 29, 2016 2:29 AM
Subject: Re: [meteorite-list] Hot vs Cold again...wasmMeteorite Crashes Through
Thailand
-
From: "Graham Ensor via Meteorite-list"
To: "MEM"
Cc: Meteorite-list@meteoritecentral.com
Sent: Wednesday, June 29, 2016 2:29:43 AM
Subject: Re: [meteorite-list] Hot vs Cold again...wasmMeteorite Crashes Through
Thailand House Roof
Elton...I agree with most of tha
The fusion crust will likely be warmer than the interior when the
meteorite hits. Not because of residual heat from melting, but because
for the last few tens of seconds of the fall the meteorite was being
blasted with near-ambient temperature air. It was starting to warm up to
ambient- it simp
Elton...I agree with most of thatbut the cooling starts straight after
hot flight miles up where the air temperature is around -30 -50
deg...surely any heat in the fusion crust would dissipate very quickly up
there and then the interior temperature would then equalize to bring it
down to well b
Have to agree with Rob and Chris on this...as I have tried the experiment
myself.Put a rock in the freezer until stable temps...then put a blow torch on
it for 5 seconds...then put it back in the freezer for 3 minutes (or freezer
for 2 and on the counter for 1).It will be cold. The rock will sha
Also important is to consider that the body in space may well have been
a good fraction of a meter (or more) across. But a meteorite producing
body didn't just ablate, it most likely fragments. And the small
fragments very, very rapidly drop below the speed necessary to sustain
ablation. So wha
Hi Elton,
> Any body arriving from space is at least -60�c and closer to -120�c to -180�c
> based on
> some black body studies of asteroids-- IIRC
The temperature for a typical earth-crossing asteroid with a chondritic
composition is
actually likely to be warmer than this -- perhaps -20 C. Depe
This was looked into several times in the list history. I am recalling details
from those discussions/my research.
Any body arriving from space is at least -60°c and closer to -120°c to -180°c
based on some black body studies of asteroids-- IIRC
The temperature at the air-meteoroid boundary
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