[meteorite-list] How much survives entry?

[Ed Majden]

> Subject: How much survives entry?
>
>  1.(Sterling K. Webb) wrote: How much survives entry?
>
>
>
> From the Handbook of Iron Meteorites, Volume One, by Vagn F. Buchwald
> states:  Results of studies indicate that 1-4 mm is lost per second of
> flight.  Ablation loss is probably confined to the part of the  
> trajectory
> that is luminous.  The lengths of the luminous trajectories range  
> from about
> 40 km (Bruderheim) to about 700 km (Orgueil).  Ablation can occur for
> periods of around 4-seconds to over one minute.  The total amount of
> material lost ranges from a few percent to 100% with an average  
> velocity of
> 10 km/second.  This is not a direct quote but has been edited.
> Ed Majden  -  Asteroid Majden 142368
> Courtenay, B.C. Canada
> http://www.members.shaw.ca/epmajden/
>
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