Pluto Is Demoted to ‘Dwarf Planet’
(NY Times)
It's official. The IAU voted on a new set of definitions that separates the 8 major planets from Pluto and the other objects out there that never got around to clearing their orbital "neighborhoods."
I refer you once again to Bad Astronomy Blog for insightful commentary.
(If the title of this post has you scratching your head, read this one.
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