Astronomer's ashes nearing icy world he discovered: Pluto
Pluto, Planet or Not? Facts about a Demoted Dwarf Planet
This group wants Pluto to be a planet again — and bring hundreds of objects along with it
The Planet Formerly Known as Pluto Vanderbilt Astronomy - The Solar System
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Pluto - Wikipedia
16 Years Ago Today Pluto Stopped Being A Planet. Nine Years Later It Become A World
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