Le Verrier (lunar crater)
E506480
Le Verrier is a small lunar impact crater on the Moon’s near side, named in honor of French mathematician and astronomer Urbain Le Verrier.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Le Verrier (lunar crater) canonical | 1 |
| Le Verrier A | 1 |
| Le Verrier B | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5259793 — 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: Le Verrier (lunar crater) Context triple: [Urbain Le Verrier, hasCraterNamedAfter, Le Verrier (lunar crater)]
-
A.
Levi-Civita crater
Levi-Civita crater is a large, heavily eroded impact crater on the Moon’s far side, named after Italian mathematician Tullio Levi-Civita.
-
B.
crater Langley on the Moon
Crater Langley on the Moon is a lunar impact crater named in honor of American astronomer and aviation pioneer Samuel Pierpont Langley.
-
C.
lunar crater Piazzi
Lunar crater Piazzi is an impact crater on the Moon named in honor of Italian astronomer Giuseppe Piazzi, discoverer of the dwarf planet Ceres.
-
D.
Kepler (lunar crater)
Kepler (lunar crater) is a prominent, relatively young impact crater on the Moon’s near side, noted for its bright ray system and association with the astronomer Johannes Kepler.
-
E.
Lomonosov crater on the Moon
Lomonosov crater on the Moon is a lunar impact crater named in honor of Russian polymath Mikhail Lomonosov, recognized for its location on the Moon’s far side and its relatively well-preserved structure.
- 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: Le Verrier (lunar crater) Target entity description: Le Verrier is a small lunar impact crater on the Moon’s near side, named in honor of French mathematician and astronomer Urbain Le Verrier.
-
A.
Levi-Civita crater
Levi-Civita crater is a large, heavily eroded impact crater on the Moon’s far side, named after Italian mathematician Tullio Levi-Civita.
-
B.
crater Langley on the Moon
Crater Langley on the Moon is a lunar impact crater named in honor of American astronomer and aviation pioneer Samuel Pierpont Langley.
-
C.
lunar crater Piazzi
Lunar crater Piazzi is an impact crater on the Moon named in honor of Italian astronomer Giuseppe Piazzi, discoverer of the dwarf planet Ceres.
-
D.
Kepler (lunar crater)
Kepler (lunar crater) is a prominent, relatively young impact crater on the Moon’s near side, noted for its bright ray system and association with the astronomer Johannes Kepler.
-
E.
Lomonosov crater on the Moon
Lomonosov crater on the Moon is a lunar impact crater named in honor of Russian polymath Mikhail Lomonosov, recognized for its location on the Moon’s far side and its relatively well-preserved structure.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
lunar impact crater
ⓘ
lunar surface feature ⓘ |
| albedo | similar to surrounding mare ⓘ |
| catalog | listed in standard lunar crater catalogs ⓘ |
| diameter | about 20 kilometers ⓘ |
| eponym | Urbain Le Verrier ⓘ |
| formationType | impact event ⓘ |
| hasFeature |
sharp-edged outer wall
ⓘ
slight central floor irregularities ⓘ |
| hasSatelliteCraters |
Le Verrier A
ⓘ
linked to:
Le Verrier (lunar crater)
Le Verrier B ⓘ
linked to:
Le Verrier (lunar crater)
|
| interior | relatively flat floor ⓘ |
| locatedIn |
Mare Imbrium region
ⓘ
linked to:
Mare Imbrium
|
| locatedOn |
Moon
ⓘ
near side of the Moon ⓘ |
| namedAfter | Urbain Le Verrier ⓘ |
| namedBy | International Astronomical Union ⓘ |
| observedFrom | Earth ⓘ |
| quadrant | northwestern part of the Moon’s near side ⓘ |
| relativeLocation |
in the northern part of Mare Imbrium
ⓘ
south of crater Delisle ⓘ west of crater Helicon ⓘ |
| rimCondition | well-defined rim ⓘ |
| shape | roughly circular ⓘ |
| surfaceType | basaltic mare surroundings ⓘ |
| visibility | visible in small amateur telescopes ⓘ |
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: Le Verrier (lunar crater) Description of subject: Le Verrier is a small lunar impact crater on the Moon’s near side, named in honor of French mathematician and astronomer Urbain Le Verrier.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Le Verrier (lunar crater)
linked to: Le Verrier (lunar crater)