🖼️00Read later0Read MoreCould Pluto Once Again Be Considered a Planet? New Remarks From NASA's Administrator Highlight an Enduring Debate Among ScientistsSmithsonian Magazine·Margherita Bassi·6 months ago#oADzLf1M#astronomyastrophysicsnasaplanets#astronomy#astrophysics#nasa#planet+6 more🧰Tag tools✨Add tagTwo decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for being a planet, putting Pluto into the new category of dwarf planet15s
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