[meteorite-list] ANOTHER QUESTION

[mark ford]

The 'rule of thumb' used in a lot meteor observation/astronomy is a
fireball is taken to be any meteor/event with a magnitude at or above
that of the planet venus. (This way you have a quick guide (although
venus varies a bit in brightness)





-----Original Message-----
From: meteorite-list-bounces at meteoritecentral.com
[mailto:meteorite-list-bounces at meteoritecentral.com] On Behalf Of
lebofsky at lpl.arizona.edu
Sent: 20 November 2006 16:40
To: Chris Peterson
Cc: meteorite-list at meteoritecentral.com
Subject: Re: [meteorite-list] ANOTHER QUESTION

However:

The thing that makes a hole in the ground [like Meteor(!) Crater] is
called a bolide. This avoid the issue of the hole being made by a
meteoroid, meteorite, asteroid, or comet.

Larry
Meteorite magazine Co-Editor

On Mon, November 20, 2006 8:47 am, Chris Peterson wrote:
> A fireball is formally defined (by the IAU) as a meteor with an
apparent
> magnitude brighter than -4. Bolide isn't formally defined, and happily
its
> use seems to be falling out of favor in scientific publications (at
least,
> I see it used much less often lately than in publications from 10
> years ago).
>
> Chris
>
>
> *****************************************
> Chris L Peterson
> Cloudbait Observatory
> http://www.cloudbait.com
>
>
>
> ----- Original Message -----
> From: "Jeff Kuyken" <info at meteorites.com.au>
> To: <meteorite-list at meteoritecentral.com>
> Sent: Monday, November 20, 2006 12:24 AM
> Subject: Re: [meteorite-list] ANOTHER QUESTION
>
>
>
>> Hi Chris and all,
>>
>>
>> I always thought 'fireball' was the technical term for a meteor with
a
>> negative magnitude. Is this correct?
>>
>> Cheers,
>>
>>
>> Jeff
>>
>
> ______________________________________________
> Meteorite-list mailing list
> Meteorite-list at meteoritecentral.com
> http://six.pairlist.net/mailman/listinfo/meteorite-list
>
>


______________________________________________
Meteorite-list mailing list
Meteorite-list at meteoritecentral.com
http://six.pairlist.net/mailman/listinfo/meteorite-list