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…
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…