Which planet was discovered in the 20th centry?

Anonymous

∙ 14y ago

Updated: 8/20/2019

Pluto, it was discovered in 1930 and remained as the ninth planet until 2006. Since the 2006 reclassification of Pluto to a Dwarf Planet, there are now eight planets in our solar system.

Wiki User

∙ 14y ago

What else can I help you with?

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