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Arizona Names 'State Planet' That Is Not a Planet - Newser
18 years after Pluto was downgraded to a dwarf planet, its status is still debated
By: Newser
- Apr 06 2024
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In 2006, the International Astronomical Union decided Pluto did not meet the criteria of a planet. Though it orbits its host star and has sufficient mass to form a nearly round shape, it lacks "an im… [+1144 chars]