[meteorite-list] Speed that meteors enter dark flight?

[Graham Ensor]

Thanks Chris...that gives me something to work with...It's one of
those questions I've wanted answering for a while now. Will be
interesting to see any advice on calculating the trajectory curve from
this?

Cheers,

Graham

On Wed, Mar 7, 2012 at 6:14 PM, Chris Peterson <clp at alumni.caltech.edu> wrote:
> Ablation and incandescent flight typically end at about 3-4 km/s.
>
> Chris
>
> *******************************
> Chris L Peterson
> Cloudbait Observatory
> http://www.cloudbait.com
>
>
> On 3/7/2012 10:43 AM, Graham Ensor wrote:
>>
>> Hi All,
>>
>> I have been wondering lately if there have been calculations done on
>> the speeds that meteors stop their hot flight and enter dark flight.
>>
>> What speed does a body have to reach before it generates a hot plasma
>> ball that shows as a fireball...or in other words how fast could a
>> body travel without becoming incandescent.
>>
>> I know this is going to vary depending on altitude or thickness of
>> atmosphere and possibly size.
>>
>> Has anyone seen data that shows this?
>>
>> Cheers,
>>
>> Graham
>
>
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