[meteorite-list] FW: Doppler radar signature from bolides

[Fries, Marc D]

Bear in mind that you only find the big rocks when you walk a strewn field.
Meteors routinely produce clouds of falling sand-grain-sized (or smaller)
debris.  Much of this is in the form of metallic or metal-oxide spherules ­
great radar reflectors!

Cheers,
MDF


On 3/11/09 10:57 AM, "E.P. Grondine" <epgrondine at yahoo.com> wrote:

> 
> 
> Hi -
> 
> I wonder why such a small amount of material produced such a large doppler
> signature. Anyone have any guesses?
> 
> E.P. Grondine
> Man and Impact in the Americas
> 
> 
>      
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