Pluto

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Pluto

How did pluto come to be demoted from planet status?

How did pluto come to be demoted from planet status?

jharrington
6/30/09

How did pluto come to be demoted from planet status?

duckncover
6/30/09

It was found that there was another body called Eris which was larger than pluto which called for the definition of the word planet

belanna
6/30/09

Then the category of dwarf planet was brought in to include pluto, eris and ceres