Today in History February 18 | Clyde Tombaugh Discovers Pluto
6 days ago · On February 18, 1930, Clyde Tombaugh, a self-taught astronomer, discovered Pluto.
This day in history: Pluto is discovered - AOL
10 hours ago · The discovery reshaped the understanding of the solar system, as Pluto was long considered the ninth planet until the International Astronomical Union (IAU) reclassified it as a dwarf …
Pluto - Wikipedia
Pluto was discovered in 1930 by Clyde W. Tombaugh, making it the first known object in the Kuiper belt. It was immediately hailed as the ninth planet. However, [16]: 27 its planetary status was questioned …
Feb 18, 1930: Discovery of Pluto - MSN
1 day ago · From 1905 until his death in 1916, Percival Lowell searched for a ninth planet, which he called Planet X. Lowell had predicted the planet based on irregularities in the orbit of Uranus. In 1929 ...
This Day in History: Pluto discovered by American astronomer - WDBJ
12 hours ago · Dwarf planet Pluto was discovered by American astronomer Clyde Tombaugh. Pluto was long considered the 9th planet in the solar system, but the International Astronomical Union …
This Day in History on February 18: Pluto Discovered
10 hours ago · Explore February 18 events: Pluto's discovery by Clyde Tombaugh, key political changes in Scandinavia and America, plus cultural and scientific milestones.
Pluto Facts - NASA Science
Apr 22, 2025 · 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 …
Tombaugh Discovers Pluto | History | Research Starters | EBSCO Research
In 1930, Clyde William Tombaugh made a groundbreaking discovery by identifying Pluto, a celestial body once considered the ninth planet in our solar system.
The Story of How Pluto Was Discovered 95 Years Ago
Mar 29, 2025 · On February 18, 1930, astronomer Clyde Tombaugh discovered Pluto at the Lowell Observatory. The search began in 1929, using the information gathered by both Lowell and Pickering.
Clyde Tombaugh: the astronomer who discovered Pluto
Jul 9, 2024 · Dwarf planet Pluto was discovered by Clyde Tombaugh at Lowell Observatory in Flagstaff, Arizona, US on 18 February 1930. Though he would go on to earn degrees in astronomy from the …