http://www.alicesastroinfo.com/2006/08/what-is-a-planet/ I show you astronomy. Wed, 21 Dec 2011 21:32:03 +0000 hourly 1 http://wordpress.org/?v=3.3 http://www.alicesastroinfo.com/2006/08/what-is-a-planet/comment-page-1/#comment-2 Planets Cards! « Alice’s Astro Info Sun, 15 Mar 2009 20:54:22 +0000 http://alicesastroinfo.wordpress.com/?p=28#comment-2 [...] a few years ago, shortly after receiving my teaching certificate, Pluto was “demoted.” (In fact, my very first AstroInfo was about the new definition of planet!) Although people have [...] [...] a few years ago, shortly after receiving my teaching certificate, Pluto was “demoted.” (In fact, my very first AstroInfo was about the new definition of planet!) Although people have [...]

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