Pluto was a planet discovered in 1930
pluto
That's Pluto. Note that it is not currently considered a planet, but after it was discovered, it was generally considered to be one.
Pluto was discovered in 1930 but it is not a planet anymore according to the International Astronomer's Union
An American astronomer named Clyde Tombaugh discovered Pluto in 1930
Pluto was discovered in 1930. At the time it was considered to be a planet, but it is now considered a dwarf planet.
Pluto was discovered in 1930 by Clyde Tombaugh.
pluto was discovered in 1930
Pluto, Discovered in 1930
planet pluto
Pluto
No planet was discovered in 1932. You probably mean Pluto. That was discovered in 1930. It has since been downgraded to a "dwarf planet".
Pluto, now officially considered a "dwarf planet", was discovered by Clyde Tombaugh at Lowell Observatory in Flagstaff, AZ, in 1930.
Clyde Tombaugh discovered Pluto in 1930.