[escepticos] Definición de Planeta

[Víctor R. Ruiz]

  Hola:

El Miércoles 23 Agosto 2006 14:59, Paco Colomer tecleó:
> Me dicen que la cordura ha imperado y los planetas del sistema solar
> vuelven a ser ocho...

  Vamos a ver, la votación es mañana. Sky & Telescope realiza un resumen de la 
sesión de ayer, donde se ha revisado la propuesta planteada la semana pasada: 
http://skytonight.com/news/home/3707031.html

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The key provision of the twice-revised definition reads as follows: "A planet 
is a celestial body that (a) has sufficient mass for its self-gravity to 
overcome rigid-body forces so that it assumes a hydrostatic-equilibrium 
(nearly round) shape, and (b) is the dominant object in its local population 
zone, and (c) is in orbit around the Sun." (For now astronomers are trying to 
define what "planet" means only in our own solar system, avoiding the 
complication of planets around other stars or, worse, floating in free 
space.)
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  Saludetes,

-- 
Víctor R. Ruiz           | - Todos estos momentos se perderán
http://infoastro.com/rvr |   como lágrimas en la lluvia