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Staff Picks

Is Pluto a planet?

2y ago


The debate over Pluto's planetary state still rages on... **T-Shirts now for sale!** Help support making more videos: The blog is undergoing a redesign. Check out the progress so far at: and let me know what you think of it. If you would like to help me make more videos please join the discussion on: Google+: Twitter:!/cgpgrey Facebook: