[meteorite-list] Re: The IAU Draft Definition of 'Planet' and 'Plutons'

From: E.P. Grondine <epgrondine_at_meteoritecentral.com>
Date: Mon Aug 21 17:02:51 2006
Message-ID: <20060821210249.70845.qmail_at_web36904.mail.mud.yahoo.com>

Hi Ron, List -

I suppose we could always call them "clydes".

good hunting,
Ed

--- Ron Baalke <baalke_at_zagami.jpl.nasa.gov> wrote:

>
>
> >The IAU draft Resolution also defines a new
> category of planet for
> >official use: "pluton". Plutons are distinguished
> from classical planets
> >in that they reside in orbits around the Sun that
> take longer than 200
> >years to complete (i.e. they orbit beyond Neptune).
> Plutons typically
> >have orbits that are highly tilted with respect to
> the classical planets
> >(technically referred to as a large orbital
> inclination). Plutons also
> >typically have orbits that are far from being
> perfectly circular
> >(technically referred to as having a large orbital
> eccentricity). All of
> >these distinguishing characteristics for plutons
> are scientifically
> >interesting in that they suggest a different origin
> from the classical
> >planets.
>
> The word 'pluton' is already defined as a geoligic
> term.
>
> http://dictionary.reference.com/browse/pluton
>
> pluton - n. A body of igneous rock formed beneath
> the surface of the earth
> by consolidation of magma.
>
> pluton - n. large mass of intrusive igneous rock
> believed to have
> solidified deep within the earth [syn: batholith,
> batholite, plutonic rock]
>
> Ron Baalke
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>
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>


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Received on Mon 21 Aug 2006 05:02:49 PM PDT