Vesto Melvin Slipher
E489378
Vesto Melvin Slipher was an American astronomer best known for his pioneering measurements of galaxy redshifts, which provided early evidence for the expansion of the universe.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Vesto Melvin Slipher canonical | 2 |
| Edward C. Slipher | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4943107 — 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: Vesto Melvin Slipher Context triple: [Lowell Observatory, employed, Vesto Melvin Slipher]
-
A.
Milton Humason
Milton Humason was an American astronomer who, despite lacking formal education, became a key collaborator of Edwin Hubble and made crucial spectroscopic observations that helped establish the evidence for the expanding universe.
-
B.
Edward Charles Pickering
Edward Charles Pickering was a pioneering American astronomer and longtime director of the Harvard College Observatory, known for his major contributions to stellar spectroscopy and the classification of stars.
-
C.
George Ellery Hale
George Ellery Hale was an influential American solar astronomer and observatory builder who pioneered modern astrophysics and led the creation of several of the world’s largest telescopes.
-
D.
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.
-
E.
John Louis Emil Dreyer
John Louis Emil Dreyer was a Danish-Irish astronomer best known for creating influential catalogues of deep-sky objects, including the New General Catalogue (NGC).
- 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: Vesto Melvin Slipher Target entity description: Vesto Melvin Slipher was an American astronomer best known for his pioneering measurements of galaxy redshifts, which provided early evidence for the expansion of the universe.
-
A.
Milton Humason
Milton Humason was an American astronomer who, despite lacking formal education, became a key collaborator of Edwin Hubble and made crucial spectroscopic observations that helped establish the evidence for the expanding universe.
-
B.
Edward Charles Pickering
Edward Charles Pickering was a pioneering American astronomer and longtime director of the Harvard College Observatory, known for his major contributions to stellar spectroscopy and the classification of stars.
-
C.
George Ellery Hale
George Ellery Hale was an influential American solar astronomer and observatory builder who pioneered modern astrophysics and led the creation of several of the world’s largest telescopes.
-
D.
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.
-
E.
John Louis Emil Dreyer
John Louis Emil Dreyer was a Danish-Irish astronomer best known for creating influential catalogues of deep-sky objects, including the New General Catalogue (NGC).
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
American astronomer
ⓘ
astronomer ⓘ human ⓘ |
| academicDegree | PhD in astronomy ⓘ |
| awardReceived |
Bruce Medal
NERFINISHED
ⓘ
Gold Medal of the Royal Astronomical Society NERFINISHED ⓘ Henry Draper Medal NERFINISHED ⓘ Lalande Prize NERFINISHED ⓘ |
| birthDate | 1875-11-11 ⓘ |
| birthPlace | Mulberry, Indiana, United States NERFINISHED ⓘ |
| citizenship | United States of America ⓘ |
| contributedTo | observational foundation for Hubble–Lemaître law ⓘ |
| deathDate | 1969-11-08 ⓘ |
| deathPlace | Flagstaff, Arizona, United States NERFINISHED ⓘ |
| discovered | large radial velocities of spiral nebulae ⓘ |
| doctoralAdvisor | Wilbur A. Cogshall NERFINISHED ⓘ |
| educatedAt | Indiana University Bloomington NERFINISHED ⓘ |
| employer | Lowell Observatory NERFINISHED ⓘ |
| endTime | director of Lowell Observatory 1952 ⓘ |
| era | 20th-century astronomy ⓘ |
| familyName | Slipher NERFINISHED ⓘ |
| fieldOfWork | astronomy ⓘ |
| givenName | Vesto NERFINISHED ⓘ |
| influenced |
Edwin Hubble
NERFINISHED
ⓘ
Georges Lemaître NERFINISHED ⓘ |
| knownFor |
measurement of galaxy redshifts
ⓘ
measurements of radial velocities of spiral nebulae ⓘ planetary spectroscopy ⓘ providing early evidence for the expansion of the universe ⓘ spectroscopic studies of spiral nebulae ⓘ |
| language | English ⓘ |
| memberOf | American Astronomical Society NERFINISHED ⓘ |
| name | Vesto Melvin Slipher NERFINISHED ⓘ |
| notableWork |
early measurements of extragalactic redshifts
ⓘ
spectroscopic observations at Lowell Observatory ⓘ |
| observed |
radial velocities of many spiral nebulae by 1917
ⓘ
redshift of the Andromeda Nebula ⓘ |
| positionHeld | director of Lowell Observatory ⓘ |
| residence | Flagstaff, Arizona NERFINISHED ⓘ |
| sibling | Earl C. Slipher NERFINISHED ⓘ |
| startTime | director of Lowell Observatory 1916 ⓘ |
| studied |
spectra of planets
ⓘ
spectra of spiral nebulae ⓘ |
| workLocation | Flagstaff, Arizona NERFINISHED ⓘ |
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: Vesto Melvin Slipher Description of subject: Vesto Melvin Slipher was an American astronomer best known for his pioneering measurements of galaxy redshifts, which provided early evidence for the expansion of the universe.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Edward C. Slipher
A Relation between Distance and Radial Velocity among Extra-Galactic Nebulae
→
relatedToWorkOf
→
Vesto Melvin Slipher
ⓘ