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Clyde Tombaugh. Clyde William Tombaugh / ˈtɒmbaʊ / (February 4, 1906 – January 17, 1997) was an American astronomer. He discovered the ninth planet Pluto in 1930, the first object to be discovered in what would later be identified as the Kuiper belt.
Feb 18, 2022 · On February 18, 1930, Tombaugh compared photos of a single star field – taken six days apart a few weeks earlier – and noticed an object was moving against the backdrop of stars.
Clyde Tombaugh was an American astronomer who discovered Pluto in 1930 after a systematic search for a ninth planet instigated by the predictions of other astronomers. He also discovered several clusters of stars and galaxies, studied the apparent distribution of extragalactic nebulae, and made.
- The Editors of Encyclopaedia Britannica
Feb 18, 2015 · 18 February 1930: Farmer-turned-astronomer Clyde Tombaugh (pictured), aged 24, discovers Pluto while comparing photographic plates of the night sky at Lowell Observatory in Flagstaff, Arizona.
- Alexandra Witze
- 2015
Aug 15, 2015 · On February 18, 1930, at only 24 years of age, Clyde Tombaugh made a historic discovery. A young astronomer fascinated with the stars, Tombaugh found what was then believed to be the 9th planet of our solar system.
- Briana Jones
Feb 16, 2021 · Photo: Clyde Tombaugh at the guide scope of the 13-inch astrograph he would use to discover Pluto. Tombaugh stands with one of his homemade telescopes | Unknown (public domain) The eldest of six children, Clyde Tombaugh was born on a farm near Streator, Illinois.
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Feb 15, 2013 · When Tombaugh was hired in 1929, he joined the search for the missing planet. The telescope at the observatory was equipped with a camera that would take two photographs of the sky on different...
