[meteorite-list] Devil's advocate

From: Gerald Flaherty <grf2_at_meteoritecentral.com>
Date: Tue Aug 22 21:57:35 2006
Message-ID: <024101c6c657$79dd04a0$6402a8c0_at_Dell>

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@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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Received on Tue 22 Aug 2006 09:57:23 PM PDT