[meteorite-list] Fireball question / sonic boom

[Chris Peterson]

Ablation ceases at 3-4 km/s (about Mach 10), and this is about where the 
meteoroid becomes invisible. For a typical meteorite, it will rapidly lose 
this remaining velocity and enter nearly vertical dark flight.

Chris

*****************************************
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com


----- Original Message ----- 
From: "Meteorites USA" <eric at meteoritesusa.com>
To: <meteorite-list at meteoritecentral.com>
Sent: Tuesday, March 29, 2011 11:27 PM
Subject: Re: [meteorite-list] Fireball question / sonic boom


> 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