It’s Been 20 Years Since Astronomers Decided Pluto Isn’t a Planet CNETIt's been 20 years since Pluto lost planet status. Will it ever get its title back? SpacePluto Got Demoted 20 Years Ago. We’re Still Not Sure What a Planet Really Is. National GeographicHow Pluto and the Kuiper Belt Changed the Definition of a Planet Air and Space MuseumToday in History: August 24, Pluto demoted to dwarf planet Sterling Journal-Advocate
It’s Been 20 Years Since Astronomers Decided Pluto Isn’t a Planet CNETIt's been 20 years since Pluto lost planet status. Will it ever get its title back? SpacePluto Got Demoted 20 Years Ago. We’re Still Not Sure What a Planet Really Is. National GeographicHow Pluto and the Kuiper Belt Changed the Definition of a Planet Air and Space MuseumToday in History: August 24, Pluto demoted to dwarf planet Sterling Journal-Advocate
