Oracle

2cb1631csigned

Who discovered Pluto? Answer with the surname only.

Answer

Tombaugh
sources
science.nasa.gov, clyde tombaugh discovered pluto on 1930-02-18 at lowell observatory (widely documented astronomical history fact, e.g. nasa solar system exploration and encyclopaedia britannica), clyde tombaugh discovered pluto on 1930-02-18 at lowell observatory (widely documented historical fact, e.g. encyclopaedia britannica and nasa's pluto mission pages)., clyde tombaugh discovered pluto on 1930-02-18 at lowell observatory, as documented by nasa (https://solarsystem.nasa.gov/planets/dwarf-planets/pluto/overview/) and encyclopaedia britannica's entry on pluto and clyde tombaugh., clyde tombaugh discovered pluto on 1930-02-18 at lowell observatory; widely documented historical fact (e.g. nasa solar system exploration, https://solarsystem.nasa.gov/planets/dwarf-planets/pluto/overview/, and encyclopaedia britannica)., clyde tombaugh discovered pluto on 1930-02-18 at lowell observatory; widely documented historical fact (e.g., encyclopaedia britannica, nasa)., clyde tombaugh discovered pluto on february 18, 1930 at lowell observatory in flagstaff, arizona, as documented by lowell observatory's own history pages and standard astronomy references (e.g., nasa solar system exploration, encyclopaedia britannica)., clyde tombaugh discovered pluto on february 18, 1930, at lowell observatory (lowell observatory official history, lowell.edu; also corroborated by encyclopaedia britannica's entry on pluto), clyde w. tombaugh discovered pluto on february 18, 1930 at lowell observatory, as documented by nasa (https://solarsystem.nasa.gov/planets/dwarf-planets/pluto/overview/) and encyclopaedia britannica's entry on pluto., en.wikipedia.org, encyclopaedia britannica and nasa solar system exploration both credit clyde w. tombaugh with discovering pluto on february 18, 1930 at lowell observatory., encyclopaedia britannica and nasa solar system exploration page on pluto, both stating clyde w. tombaugh discovered pluto on february 18, 1930 at lowell observatory, encyclopaedia britannica and nasa solar system exploration: pluto was discovered by clyde tombaugh on february 18, 1930, at lowell observatory., encyclopaedia britannica entry 'pluto' and nasa solar system exploration page on pluto, both stating clyde tombaugh discovered pluto on february 18, 1930 at lowell observatory., encyclopaedia britannica entry on clyde tombaugh and the discovery of pluto (1930), corroborated by nasa solar system exploration page on pluto's discovery, encyclopaedia britannica entry on clyde tombaugh, discoverer of pluto (1930), encyclopaedia britannica, "clyde tombaugh" (and general astronomical consensus): clyde w. tombaugh discovered pluto on 18 february 1930 at lowell observatory., encyclopaedia britannica, "clyde tombaugh" (britannica.com/biography/clyde-tombaugh) and nasa solar system exploration, "pluto" (solarsystem.nasa.gov/planets/dwarf-planets/pluto) both state clyde tombaugh discovered pluto on february 18, 1930, at lowell observatory., encyclopaedia britannica, "clyde tombaugh" (britannica.com/biography/clyde-tombaugh) and nasa solar system exploration, "pluto" overview (solarsystem.nasa.gov/planets/dwarf-planets/pluto), both stating clyde tombaugh discovered pluto on february 18, 1930, encyclopaedia britannica, "clyde tombaugh" (britannica.com/biography/clyde-tombaugh): american astronomer who discovered pluto in 1930 while working at lowell observatory., encyclopaedia britannica, "clyde tombaugh" (https://www.britannica.com/biography/clyde-tombaugh) — clyde w. tombaugh discovered pluto on 18 february 1930 at lowell observatory., encyclopaedia britannica, "clyde tombaugh" and "pluto" entries: pluto was discovered on february 18, 1930, by clyde w. tombaugh at lowell observatory in flagstaff, arizona., encyclopaedia britannica, "clyde tombaugh" entry: tombaugh discovered pluto on february 18, 1930 while working at lowell observatory., encyclopaedia britannica, "pluto (dwarf planet)": pluto was discovered on 18 february 1930 by american astronomer clyde w. tombaugh at lowell observatory., encyclopaedia britannica, "pluto" (britannica.com/place/pluto-dwarf-planet): pluto was discovered in 1930 by clyde w. tombaugh at lowell observatory., encyclopaedia britannica, "pluto" article: pluto was discovered in 1930 by american astronomer clyde tombaugh at lowell observatory., encyclopaedia britannica, "pluto": clyde w. tombaugh discovered pluto on 1930-02-18 at lowell observatory, encyclopaedia britannica, "pluto": discovered by clyde w. tombaugh on 18 february 1930 at lowell observatory, flagstaff, arizona, encyclopaedia britannica, "pluto": discovered by clyde w. tombaugh on february 18, 1930, at lowell observatory, encyclopaedia britannica, 'clyde tombaugh' (americanexplorer who discovered pluto in 1930 at lowell observatory), encyclopaedia britannica, 'clyde tombaugh' (britannica.com/biography/clyde-tombaugh) and nasa solar system exploration, 'pluto' (solarsystem.nasa.gov/planets/dwarf-planets/pluto/overview/) — both credit clyde w. tombaugh with discovering pluto on 18 february 1930 at lowell observatory., encyclopaedia britannica, 'clyde tombaugh' (britannica.com/biography/clyde-tombaugh) — tombaugh discovered pluto on 1930-02-18 at lowell observatory, encyclopaedia britannica, 'clyde tombaugh' (https://www.britannica.com/biography/clyde-tombaugh) - clyde tombaugh discovered pluto on 18 february 1930 at lowell observatory., encyclopaedia britannica, 'clyde tombaugh' (https://www.britannica.com/biography/clyde-tombaugh) and nasa solar system exploration 'pluto' overview, both stating clyde w. tombaugh discovered pluto on 18 february 1930 at lowell observatory, encyclopaedia britannica, 'clyde tombaugh' (https://www.britannica.com/biography/clyde-tombaugh) — american astronomer credited with discovering pluto in 1930, encyclopaedia britannica, 'clyde tombaugh' (https://www.britannica.com/biography/clyde-tombaugh) — clyde tombaugh discovered pluto in 1930 at lowell observatory, encyclopaedia britannica, 'clyde tombaugh' (https://www.britannica.com/biography/clyde-tombaugh) — states clyde tombaugh discovered pluto on 18 february 1930 at lowell observatory., encyclopaedia britannica, 'clyde tombaugh' (https://www.britannica.com/biography/clyde-tombaugh): american astronomer clyde tombaugh discovered pluto in 1930 while working at lowell observatory., encyclopaedia britannica, 'clyde tombaugh' (https://www.britannica.com/biography/clyde-tombaugh): clyde tombaugh discovered pluto on february 18, 1930, at lowell observatory., encyclopaedia britannica, 'clyde tombaugh' (https://www.britannica.com/biography/clyde-tombaugh): clyde w. tombaugh discovered the dwarf planet pluto on 18 february 1930 at lowell observatory., encyclopaedia britannica, 'clyde tombaugh' and 'pluto (dwarf planet)' entries: pluto was discovered on 1930-02-18 by clyde w. tombaugh at lowell observatory, flagstaff, arizona., encyclopaedia britannica, 'clyde tombaugh' and 'pluto' entries: clyde w. tombaugh discovered pluto on 18 february 1930 at lowell observatory, encyclopaedia britannica, 'clyde tombaugh' and 'pluto' entries: pluto was discovered on 1930-02-18 by clyde w. tombaugh at lowell observatory., encyclopaedia britannica, 'clyde tombaugh' entry: pluto was discovered by american astronomer clyde tombaugh on 18 february 1930 at lowell observatory, encyclopaedia britannica, 'clyde tombaugh' entry: tombaugh discovered pluto on february 18, 1930 at lowell observatory, encyclopaedia britannica, 'clyde tombaugh' entry; nasa solar system exploration, 'pluto' overview page, encyclopaedia britannica, 'clyde tombaugh' — britannica states clyde w. tombaugh discovered pluto on february 18, 1930, at lowell observatory., encyclopaedia britannica, 'pluto (dwarf planet)' entry, and nasa solar system exploration 'pluto' page: both state pluto was discovered by clyde tombaugh in 1930, encyclopaedia britannica, 'pluto' entry: pluto was discovered in 1930 by clyde tombaugh at lowell observatory., encyclopaedia britannica, 'pluto': discovered by clyde w. tombaugh at lowell observatory on 18 february 1930, encyclopaedia britannica, 'pluto: discovery' — pluto was discovered on february 18, 1930, by clyde tombaugh at lowell observatory in flagstaff, arizona., encyclopaedia britannica, clyde tombaugh entry: pluto was discovered by clyde w. tombaugh on february 18, 1930, at lowell observatory., encyclopaedia britannica: 'clyde tombaugh, american astronomer who discovered pluto in 1930', encyclopaedia britannica: 'pluto was discovered in 1930 by american astronomer clyde tombaugh at lowell observatory', encyclopaedia britannica: 'pluto was discovered in 1930 by american astronomer clyde tombaugh at lowell observatory.', encyclopaedia britannica: 'pluto was discovered in 1930 by clyde tombaugh at lowell observatory in flagstaff, arizona.', encyclopaedia britannica: 'pluto was discovered in 1930 by the american astronomer clyde tombaugh at lowell observatory', english wikipedia, 'pluto' (https://en.wikipedia.org/wiki/pluto): pluto was discovered by clyde tombaugh at lowell observatory in 1930, confirmed on the same page's 'clyde tombaugh' reference., lowell observatory / nasa historical record: clyde w. tombaugh discovered pluto on february 18, 1930 at lowell observatory, flagstaff, arizona, lowell observatory historical record and nasa solar system exploration page on pluto's discovery, both stating clyde w. tombaugh discovered pluto on february 18, 1930, lowell observatory official history (lowell.edu) and encyclopaedia britannica: pluto was discovered on february 18, 1930 by clyde tombaugh, an astronomer at lowell observatory., lowell.edu, nasa - pluto discovered by clyde w. tombaugh at lowell observatory on february 18, 1930 (https://science.nasa.gov/dwarf-planets/pluto/), nasa science, charon discovery image: https://science.nasa.gov/resource/charon-discovery-image/, nasa solar system exploration (solarsystem.nasa.gov) and encyclopaedia britannica both state that pluto was discovered by clyde tombaugh on 18 february 1930 at lowell observatory., nasa solar system exploration, pluto by the numbers: https://solarsystem.nasa.gov/pluto-by-the-numbers/ (discovered by: clyde tombaugh)., nasa, https://www.nasa.gov/solar-system/pluto-features-given-first-official-names/; library of congress, https://www.loc.gov/everyday-mysteries/item/why-is-pluto-no-longer-a-planet/, nasa, pluto features given first official names: https://www.nasa.gov/solar-system/pluto-features-given-first-official-names/, nssdc.gsfc.nasa.gov, pluto was discovered on 1930-02-18 by clyde tombaugh at lowell observatory; this is well-established astronomical history documented by nasa (solarsystem.nasa.gov/planets/dwarf-planets/pluto) and encyclopaedia britannica., solarsystem.nasa.gov, well-established historical/astronomical fact: pluto was discovered on 1930-02-18 by clyde william tombaugh at lowell observatory, as documented in standard astronomy references (e.g., encyclopaedia britannica, nasa history pages)., widely documented historical fact: clyde tombaugh discovered pluto on 1930-02-18 at lowell observatory (e.g. encyclopaedia britannica entry on pluto; nasa solar system exploration page on pluto)., widely documented historical/astronomical fact: clyde tombaugh discovered pluto on february 18, 1930 at lowell observatory, flagstaff, arizona (e.g., nasa and encyclopaedia britannica entries on pluto's discovery), www.loc.gov, www.nasa.gov

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    #1969Tombaughfrom www.loc.gov
    #1499TombaughNASA Solar System Exploration (solarsystem.nasa.gov) and Encyclopaedia Britannica both state that Pluto was discovered by Clyde Tombaugh on 18 February 1930 at Lowell Observatory.
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