Once considered the ninth and last planet of the Solar System, Pluto was demoted to a ‘dwarf planet’ status in 2006, when members of the International Astronomical Union voted to scientifically define a ‘planet’ for the first time.
Once considered the ninth and last planet of the Solar System, Pluto was demoted to a ‘dwarf planet’ status in 2006, when members of the International Astronomical Union voted to scientifically define a ‘planet’ for the first time.
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