Clyde Tombaugh discovered Pluto in 1930.
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!
Pluto was discovered in 1930 by Clyde Tombaugh.
Pluto was discovered by the American Clyde W. Tombaugh, but it is no longer a planet.
Clyde W. Tombaugh discovered it on February 18, 1930.
An American astronomer named Clyde Tombaugh discovered Pluto in 1930
Clyde William Tombaugh was the American astronomer that discovered Pluto!
Pluto was discovered on February 18, 1930 by Clyde Tombaugh at Lowell Observatory in Flagstaff, Arizona. It was discovered using two photographic plates taken of the same place in the sky on January 23 and 29.
Pluto was discovered in 1930 by American astronomer Clyde Tombaugh. It was considered the ninth planet in the solar system until 2006, when the International Astronomical Union reclassified it as a dwarf planet.
Pluto was discovered in 1930 by astronomer Clyde Tombaugh and was considered the ninth planet in our Solar System until 2006 when it was reclassified as a "dwarf planet" by the International Astronomical Union.
The dwarf planet Pluto was discovered in 1930 by Clyde Tombaugh.
The dwarf planet Pluto was discovered in the year 1930. It was discovered by Clyde Tombaugh and is the largest object found in the Kuiper belt.
Pluto was discovered in the 1930s by American astronomer Clyde Tombaugh. Initially classified as the ninth planet in our solar system, Pluto was reclassified as a dwarf planet in 2006 by the International Astronomical Union.