Pluto: Transformation & Change Pluto was first seen by Clyde Tombaugh in 1930, although astronomer Percival Lowell had previously assumed that the planet existed on the basis of his mathematical…
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Pluto: Transformation & Change Pluto was first seen by Clyde Tombaugh in 1930, although astronomer Percival Lowell had previously assumed that the planet existed on the basis of his mathematical…