Fra Mauro crater
E902151
Fra Mauro crater is a heavily eroded lunar impact crater on the Moon’s near side, best known for lending its name to the Fra Mauro formation and the intended Apollo 13 landing site.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fra Mauro crater canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11077870 — 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: Fra Mauro crater Context triple: [Fra Mauro formation, namedAfter, Fra Mauro crater]
-
A.
Ernst Mach crater
Ernst Mach crater is a large impact crater on the Moon’s far side named in honor of the Austrian physicist and philosopher Ernst Mach.
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B.
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.
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C.
Pavlov crater
Pavlov crater is a large, heavily eroded impact crater on the Moon’s far side, located near the prominent Gagarin crater.
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D.
Fizeau crater
Fizeau crater is a large impact crater on the far side of the Moon, named in honor of French physicist Hippolyte Fizeau.
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E.
Shoemaker crater
Shoemaker crater is a permanently shadowed impact crater near the Moon’s south pole, notable for its extreme cold and potential deposits of water ice.
- 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: Fra Mauro crater Target entity description: Fra Mauro crater is a heavily eroded lunar impact crater on the Moon’s near side, best known for lending its name to the Fra Mauro formation and the intended Apollo 13 landing site.
-
A.
Ernst Mach crater
Ernst Mach crater is a large impact crater on the Moon’s far side named in honor of the Austrian physicist and philosopher Ernst Mach.
-
B.
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.
-
C.
Pavlov crater
Pavlov crater is a large, heavily eroded impact crater on the Moon’s far side, located near the prominent Gagarin crater.
-
D.
Fizeau crater
Fizeau crater is a large impact crater on the far side of the Moon, named in honor of French physicist Hippolyte Fizeau.
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E.
Shoemaker crater
Shoemaker crater is a permanently shadowed impact crater near the Moon’s south pole, notable for its extreme cold and potential deposits of water ice.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
lunar impact crater
ⓘ
lunar surface feature ⓘ |
| cataloguedIn | International Astronomical Union lunar nomenclature NERFINISHED ⓘ |
| condition | heavily eroded ⓘ |
| coordinateSystem | selenographic coordinates ⓘ |
| diameter | approximately 95 kilometers ⓘ |
| eponymOf |
Fra Mauro formation
NERFINISHED
ⓘ
Fra Mauro landing site NERFINISHED ⓘ |
| exploredBy | Apollo 14 astronauts ⓘ |
| formedBy | impact event ⓘ |
| geologicAge | Imbrian ⓘ |
| hasApproximateLatitude | 6.0° S ⓘ |
| hasApproximateLongitude | 17.0° W ⓘ |
| hasFloorCharacteristic | relatively uneven floor ⓘ |
| hasInteriorFeature | Fra Mauro formation NERFINISHED ⓘ |
| hasMorphologicalType | walled plain ⓘ |
| hasRimState | worn and irregular rim ⓘ |
| hasSatelliteCrater |
Fra Mauro A
NERFINISHED
ⓘ
Fra Mauro B NERFINISHED ⓘ Fra Mauro C NERFINISHED ⓘ Fra Mauro D NERFINISHED ⓘ Fra Mauro E NERFINISHED ⓘ Fra Mauro F NERFINISHED ⓘ Fra Mauro G NERFINISHED ⓘ Fra Mauro H NERFINISHED ⓘ Fra Mauro K NERFINISHED ⓘ Fra Mauro L NERFINISHED ⓘ Fra Mauro M NERFINISHED ⓘ Fra Mauro N NERFINISHED ⓘ Fra Mauro P NERFINISHED ⓘ Fra Mauro R ⓘ Fra Mauro S NERFINISHED ⓘ Fra Mauro T NERFINISHED ⓘ Fra Mauro U NERFINISHED ⓘ Fra Mauro V NERFINISHED ⓘ Fra Mauro W NERFINISHED ⓘ Fra Mauro X NERFINISHED ⓘ Fra Mauro Y ⓘ Fra Mauro Z NERFINISHED ⓘ |
| liesNorthOf | Parry crater NERFINISHED ⓘ |
| liesSouthOf | Mare Imbrium NERFINISHED ⓘ |
| liesSouthwestOf | Ptolemaeus crater NERFINISHED ⓘ |
| liesWestOf | Bonpland crater NERFINISHED ⓘ |
| locatedIn | Mare Cognitum region NERFINISHED ⓘ |
| locatedOn | Moon NERFINISHED ⓘ |
| locatedOnSide | near side of the Moon ⓘ |
| namedAfter | Fra Mauro NERFINISHED ⓘ |
| observedBy |
Apollo orbital photography
ⓘ
Earth-based telescopes ⓘ Lunar Orbiter spacecraft NERFINISHED ⓘ |
| surfaceComposition | breccia-rich ejecta blanket ⓘ |
| wasActualLandingSiteFor | Apollo 14 mission NERFINISHED ⓘ |
| wasIntendedLandingSiteFor | Apollo 13 mission 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: Fra Mauro crater Description of subject: Fra Mauro crater is a heavily eroded lunar impact crater on the Moon’s near side, best known for lending its name to the Fra Mauro formation and the intended Apollo 13 landing site.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.