Posted at: 04/29/2013 3:14 PM
Updated at: 04/29/2013 3:16 PM
Simone Seagle of the New Mexico Museum of Natural History and Science explains the new definition of a planet and why Pluto doesn't qualify.
New Mexico Museum of Natural History and Science
May 5, Noon-5 p.m.
1801 Mountain Road Northwest
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