Why is Pluto not a planet

I'm sure most of us grew up with the knowledge that Pluto was our solar system's ninth planet So what changed about the definition Astrum Answers SUBSCRIBE for more videos about our other planets Subscribe a http 3A 2F 2Fgoo gl 2FWX4iMN a Facebook a http 3A 2F 2Fgoo gl 2FuaOlWW a Twitter a http 3A 2F 2Fgoo gl 2FVCfejs a Donate Patreon a http 3A 2F 2Fgoo gl 2FGGA5xT a Ethereum Wallet 0x5F8cf793962ae8Df4Cba017E7A6159a104744038 Become a Patron today and support my channel Donate link above I can't do it without you Thanks to those who have supported so far Image Credits ESA ESO NASA Space Engine Music Credits Anima - Love Again

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