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Pluto was discovered in 1930 by Clyde W. Tombaugh, making it by far the first known object in the Kuiper belt.
On February 18, 1930, Tombaugh discovered the tiny, distant planet by use of a new astronomic technique of photographic plates combined with a blink microscope.
Pluto was discovered in 1930 by astronomer Clyde Tombaugh. It was named by 11-year-old Venetia Burney of Oxford, England. Get the Facts. Pluto nearly fills the frame in this image from NASA’s New Horizons spacecraft taken on July 13, 2015, when the spacecraft was 476,000 miles (768,000 kilometers) from the surface.
He discovered the ninth planet Pluto in 1930, the first object to be discovered in what would later be identified as the Kuiper belt. At the time of discovery, Pluto was considered a planet, but was reclassified as a dwarf planet in 2006.
Discovered in 1930, Pluto was long considered our solar system's ninth planet. But after the discovery of similar worlds deeper in the Kuiper Belt, Pluto was reclassified as a dwarf planet in 2006 by the International Astronomical Union.
On this date in 1930, Clyde Tombaugh, searching for a 9th planet, discovered Pluto. This opened the door to further exploration of the outer solar system.
Feb. 18, 1930: Pluto is first identified in photographs of the night sky.
Discovered in 1930, Pluto was long considered our solar system's ninth planet. But after the discovery of similar intriguing worlds deeper in the distant Kuiper Belt, icy Pluto was reclassified as a dwarf planet.
The object formerly known as the planet Pluto was discovered on February 18, 1930 at the Lowell Observatory in Flagstaff, Arizona, by astronomer Clyde W. Tombaugh, with contributions from William H. Pickering.
On February 18, 1930, Clyde W. Tombaugh, an assistant at the Lowell Observatory in Flagstaff, Arizona, discovered Pluto. For over seven decades, Pluto was considered the ninth planet of our solar system.