jharrington
How did pluto come to be demoted from planet status?
Pluto
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duckncover
Replied to: How did pluto come to be demoted from planet status?
It was found that there was another body called Eris which was larger than pluto which called for the definition of the word planet
replied to: duckncover
belanna
Replied to: It was found that there was another body called Eris which...
Then the category of dwarf planet was brought in to include pluto, eris and ceres