'Clyde Tombaugh, the man who discovered this planet in 1930, passed away in 1997; he was 90'
Pluto
PEOPLE: Clyde Tombaugh, the man who discovered this planet in 1930, passed away in 1997; he was 90
Clyde Tombaugh, the man who discovered this planet in 1930, passed away in 1997; he was 90
Clyde Tombaugh, the man who discovered this planet in 1930, passed away in 1997; he was 90
PEOPLE
Pluto
PEOPLE