1906
None. Clyde Tombaugh discovered the body we know as Pluto. This was originally described as a planet but internationally it is now recognized that Pluto is not a planet but a dwarf planet. Therefore Clyde Tombaugh did not actually discover a planet!
Clyde Tombaugh discovered Pluto at the Lowell Observatory in Flagstaff, Arizona.
Never. Pluto was discovered by Clyde Tombaugh, in 1930.
Clyde W. Tombaugh discovered it on February 18, 1930.
In 1930.
yes
1906
None. Clyde Tombaugh discovered the body we know as Pluto. This was originally described as a planet but internationally it is now recognized that Pluto is not a planet but a dwarf planet. Therefore Clyde Tombaugh did not actually discover a planet!
Clyde Tombaugh discovered Pluto at the Lowell Observatory in Flagstaff, Arizona.
Tombaugh was credited with discovering hundreds of asteroids, as well as Pluto in 1930, but no comets.
Pluto, which is now classified as a dwarf planet.
Never. Pluto was discovered by Clyde Tombaugh, in 1930.
Clyde Tombaugh was born on February 4, 1906.
Clyde Tombaugh, an American astronomer, discovered Pluto in 1930 while working at the Lowell Observatory in Arizona. Pluto was the first object to be discovered in what would later be classified as the Kuiper Belt.
Clyde Tombaugh was born on February 4, 1906.
Clyde Tombaugh discovered Pluto in 1930.