Category
page 1Pluto
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Pluto
Clyde Tombaugh
American astronomer (1906–1997)
Percival Lowell
American astronomer (1855-1916)
Venetia Burney
British schoolteacher, namer of the dwarf planet Pluto
atmosphere of Pluto
layer of gases surrounding the dwarf planet Pluto
exploration of Pluto
overview of the exploration of Pluto
geography of Pluto