[meteorite-list] Devil's advocate

[Gerald Flaherty]

Gee, that seems logical and easy too.
Jerry Flaherty
----- Original Message ----- 
From: "Sterling K. Webb" <sterling_k_webb at sbcglobal.net>
To: <cynapse at charter.net>; "Rob McCafferty" <rob_mccafferty at yahoo.com>
Cc: <meteorite-list at meteoritecentral.com>
Sent: Tuesday, August 22, 2006 9:49 PM
Subject: Re: [meteorite-list] Devil's advocate


> Hi,
>
>    Compared to Jupiter, the WHOLE solar system
> is nothing but debris. Why not ONE planet? Easy
> definition, short list to memorize...
>
> Sterling K. Webb
> ---------------------------------------------------------
> ----- Original Message ----- 
> From: "Darren Garrison" <cynapse at charter.net>
> To: "Rob McCafferty" <rob_mccafferty at yahoo.com>
> Cc: <meteorite-list at meteoritecentral.com>
> Sent: Tuesday, August 22, 2006 6:20 PM
> Subject: Re: [meteorite-list] Devil's advocate
>
>
> On Tue, 22 Aug 2006 15:43:31 -0700 (PDT), you wrote:
>
>>If Pluto crosses the orbit of Neptune (which it does)
>>then one has to ask if Neptune is a planet since it
>>hasn't cleared its orbit of debris. Surely Pluto
>>counts as pretty significant debris if we're stll
>>asking whether it's a planet or not!?
>
> Neptune mass: 1.0247e26 kg
> Pluto mass: 1.27e22 kg
>
> So to 2 significant figures (if I'm doing my math right) Neptune is 8000 
> times
> the mass of Pluto-- or Pluto is around .0125 percent as massive as Saturn. 
> So,
> in comparison, for a 180 pound person, that amount of "mass" would be 
> around 10
> grams, or a handful of hair and a couple of toenail clippings.  I wouldn't 
> call
> that "significant" debris.
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