Astronomer Clyde Tombough found Pluto on February 13, 1930.
In 1930.
Clyde Tombaugh discovered Pluto at the Lowell Observatory in Flagstaff, Arizona.
Never. Pluto was discovered by Clyde Tombaugh, in 1930.
Pluto, which is now classified as a dwarf planet.
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 was the astronomer who discovered Pluto in 1930, while working at Lowell Observatory in Arizona. Tombaugh also found a comet, hundreds of asteroids, and several galactic star clusters.
Tombaugh was credited with discovering hundreds of asteroids, as well as Pluto in 1930, but no comets.
Pluto was discovered in 1930 by Clyde Tombaugh.Astronomers noticed that the orbits of Neptune and Uranus were being affected by the gravity of an unknown object in the Solar System. Clyde Tombaugh carefully studied images of the night sky, and after a lot of hard work he finally discovered Pluto.
Pluto was discovered in 1930 by Clyde Tombaugh.
The discoverer of Pluto was Clyde W. Tombaugh.
She didn't discover Pluto, instead it was a man called Clyde Tombaugh; but she was 11 years old when she suggesed that the planet discovered in 1930 should be called Pluto, after the Roman god of the underworld.