Clyde Tombaugh
E110982
Clyde Tombaugh was an American astronomer best known for discovering the dwarf planet Pluto in 1930.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Clyde Tombaugh canonical | 5 |
| 2939 Coconino (discovered by him and associated with his work) | 1 |
| Clyde William Tombaugh | 1 |
| Tombaugh | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T942748 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Clyde Tombaugh Context triple: [Pluto, discoveredBy, Clyde Tombaugh]
-
A.
George Willis Ritchey
George Willis Ritchey was an American optician and telescope designer renowned for pioneering advanced reflecting telescope technologies in the early 20th century.
-
B.
James Edward Keeler
James Edward Keeler was an American astronomer noted for his pioneering spectroscopic studies of Saturn’s rings and for his influential role in late 19th-century astrophysical research.
-
C.
James A. Van Allen
James A. Van Allen was an American space scientist best known for discovering the Earth's radiation belts, now called the Van Allen belts, and for his pioneering work in early space exploration missions.
-
D.
Nicholas Sagan
Nicholas Sagan is the son of science communicator Ann Druyan and famed astronomer Carl Sagan.
-
E.
Michael E. Brown
Michael E. Brown is an American astronomer known for his discoveries of distant trans-Neptunian objects that reshaped the definition of planets in our solar system.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Clyde Tombaugh Target entity description: Clyde Tombaugh was an American astronomer best known for discovering the dwarf planet Pluto in 1930.
-
A.
George Willis Ritchey
George Willis Ritchey was an American optician and telescope designer renowned for pioneering advanced reflecting telescope technologies in the early 20th century.
-
B.
James Edward Keeler
James Edward Keeler was an American astronomer noted for his pioneering spectroscopic studies of Saturn’s rings and for his influential role in late 19th-century astrophysical research.
-
C.
James A. Van Allen
James A. Van Allen was an American space scientist best known for discovering the Earth's radiation belts, now called the Van Allen belts, and for his pioneering work in early space exploration missions.
-
D.
Nicholas Sagan
Nicholas Sagan is the son of science communicator Ann Druyan and famed astronomer Carl Sagan.
-
E.
Michael E. Brown
Michael E. Brown is an American astronomer known for his discoveries of distant trans-Neptunian objects that reshaped the definition of planets in our solar system.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
astronomer
ⓘ
discoverer of astronomical object ⓘ human ⓘ |
| awardReceived |
Bruce Medal
ⓘ
Lalande Prize ⓘ Rittenhouse Medal ⓘ |
| causeOfDeath | heart failure ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1906-02-04 ⓘ |
| dateOfDeath | 1997-01-17 ⓘ |
| discovered | Pluto ⓘ |
| educatedAt |
New Mexico A&M College
ⓘ
surface form:
New Mexico State University
University of Kansas ⓘ |
| employer |
Lowell Observatory
ⓘ
New Mexico A&M College ⓘ
surface form:
New Mexico State University
|
| familyName |
Clyde Tombaugh
self-linksurface differs
ⓘ
surface form:
Tombaugh
|
| fieldOfWork |
astronomy
ⓘ
planetary science ⓘ |
| givenName | Clyde ⓘ |
| hasAsteroidNamedAfter |
1604 Tombaugh
ⓘ
Clyde Tombaugh self-linksurface differs ⓘ
surface form:
2939 Coconino (discovered by him and associated with his work)
|
| hasDiscovered |
asteroid 1604 Tombaugh
ⓘ
asteroid 2839 Annette ⓘ hundreds of variable stars ⓘ numerous asteroids ⓘ star clusters ⓘ |
| hasLunarCraterNamedAfter | Tombaugh (lunar crater) ⓘ |
| hasMinorPlanetNamedAfter | 1604 Tombaugh ⓘ |
| hasPartOfCrematedRemains | onboard NASA New Horizons spacecraft ⓘ |
| hasPlutonianFeatureNamedAfter |
Sputnik Planitia
ⓘ
surface form:
Tombaugh Regio
|
| inspiredBy | Percival Lowell ⓘ |
| knownFor | discovery of Pluto ⓘ |
| militaryService | United States Army ⓘ |
| name |
Clyde Tombaugh
self-linksurface differs
ⓘ
surface form:
Clyde William Tombaugh
|
| notableEvent | discovered Pluto at Lowell Observatory on 1930-02-18 ⓘ |
| notableStudentOrMentorRelationship | faculty member at New Mexico State University astronomy department ⓘ |
| notableWork | systematic photographic search for trans-Neptunian planets ⓘ |
| occupation | astronomer ⓘ |
| participantIn | World War II ⓘ |
| placeOfBirth | Streator, Illinois, United States of America ⓘ |
| placeOfDeath |
Las Cruces, New Mexico
ⓘ
surface form:
Las Cruces, New Mexico, United States of America
|
| religion | Unitarian Universalism ⓘ |
| residence |
Burdett, Kansas, United States of America
ⓘ
Las Cruces, New Mexico ⓘ
surface form:
Las Cruces, New Mexico, United States of America
|
| sexOrGender | male ⓘ |
| spouse | Patricia Edson Tombaugh ⓘ |
| workLocation |
Flagstaff
ⓘ
surface form:
Flagstaff, Arizona, United States of America
Las Cruces, New Mexico ⓘ
surface form:
Las Cruces, New Mexico, United States of America
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Clyde Tombaugh Description of subject: Clyde Tombaugh was an American astronomer best known for discovering the dwarf planet Pluto in 1930.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Clyde William Tombaugh
this entity surface form:
Tombaugh
this entity surface form:
2939 Coconino (discovered by him and associated with his work)