Demotion of Pluto as a planet

Gene Smith genewardsmith at gmail.com
Fri Aug 25 21:33:48 CEST 2006


>
> From: cino hilliard <hillcino368 at hotmail.com>
>
> Hi,
>
> The celestial object we call Pluto was demoted from its planet status
> today.


If you read the so-called "definition" of a dwarf planet, it's not clear. As
best I can tell, Jupiter is now a dwarf planet (because of the Trojan
asteroids) and probably Pluto (because of the plutinos.) But Xena is a
full-fledged planet!

Of course, this isn't what was intended, but we know in math that when
giving a definition its what the definition says that counts.
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