[meteorite-list] Fireball question / sonic boom

From: Meteorites USA <eric_at_meteoritecentral.com>
Date: Tue, 29 Mar 2011 22:27:00 -0700
Message-ID: <4D92BF24.3070404_at_meteoritesusa.com>

George jut brought up a good point and I have a question. The speed of
sound is about 760 MPH.

What is the speed at which a meteoroid extinguishes and is no longer
incandescent?

Regards,
Eric


On 3/29/2011 10:12 PM, GeoZay at aol.com wrote:
>>> The
>>>
> absence of one, however, probably shouldn't be taken as an indicator that
> they were not, since a meteor can still end (without complete ablation)
> high
> enough that no sonic boom will reach the ground.<<
>
>
> Wouldn't these(meteorites) that are high enuf that no sonic boom will
> reach the ground end up being rather small meteorites? This because a small
> meteorite will be slowed down rather quickly higher up. The larger meteorites
> having more momentum to carry it on down to the lower atmosphere will still
> have a velocity fast enuf to produce the big thunder like sonics?
> GeoZay
>
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Received on Wed 30 Mar 2011 01:27:00 AM PDT