Cassini crater on the Moon
E661538
Cassini crater on the Moon is a prominent lunar impact crater in the Moon’s northeastern near side, named in honor of the Italian-French astronomer Giovanni Domenico Cassini.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cassini crater on Mars | 1 |
| Cassini crater on the Moon canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7408816 — 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: Cassini crater on the Moon Context triple: [Giovanni Domenico Cassini, eponymOf, Cassini crater on the Moon]
-
A.
Copernicus Crater on the Moon
Copernicus Crater on the Moon is a prominent, relatively young lunar impact crater in the Moon’s eastern Oceanus Procellarum region, named in honor of the Renaissance astronomer Nicolaus Copernicus.
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B.
Lassell crater on the Moon
Lassell crater on the Moon is a lunar impact crater named in honor of the 19th-century English astronomer William Lassell, known for his discoveries of several planetary moons.
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C.
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.
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D.
McNair crater on the Moon
McNair crater on the Moon is a lunar impact crater named in honor of astronaut and physicist Ronald McNair, one of the crew members who died in the 1986 Space Shuttle Challenger disaster.
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E.
Messier crater on the Moon
Messier crater on the Moon is a distinctive, elongated lunar impact crater in Mare Fecunditatis, notable for its unusual shape and bright ray 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: Cassini crater on the Moon Target entity description: Cassini crater on the Moon is a prominent lunar impact crater in the Moon’s northeastern near side, named in honor of the Italian-French astronomer Giovanni Domenico Cassini.
-
A.
Copernicus Crater on the Moon
Copernicus Crater on the Moon is a prominent, relatively young lunar impact crater in the Moon’s eastern Oceanus Procellarum region, named in honor of the Renaissance astronomer Nicolaus Copernicus.
-
B.
Lassell crater on the Moon
Lassell crater on the Moon is a lunar impact crater named in honor of the 19th-century English astronomer William Lassell, known for his discoveries of several planetary moons.
-
C.
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.
-
D.
McNair crater on the Moon
McNair crater on the Moon is a lunar impact crater named in honor of astronaut and physicist Ronald McNair, one of the crew members who died in the 1986 Space Shuttle Challenger disaster.
-
E.
Messier crater on the Moon
Messier crater on the Moon is a distinctive, elongated lunar impact crater in Mare Fecunditatis, notable for its unusual shape and bright ray system.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
lunar impact crater
ⓘ
lunar surface feature ⓘ |
| belongsTo | Mare Imbrium basin region NERFINISHED ⓘ |
| colongitude | 337 ⓘ |
| depth | 1.2 km ⓘ |
| diameter | 57 km ⓘ |
| eponym | Giovanni Domenico Cassini NERFINISHED ⓘ |
| featureID | 1099 (USGS planetary nomenclature id) ⓘ |
| hasFloorCharacteristic |
few small craterlets
ⓘ
nearly level floor ⓘ |
| hasGeologicalContext | Imbrian age terrain ⓘ |
| hasIAUFeatureType | crater ⓘ |
| hasInteriorCrater |
Cassini A
NERFINISHED
ⓘ
Cassini B NERFINISHED ⓘ |
| hasInteriorFeature |
central rille system
ⓘ
lava-flooded floor ⓘ low albedo floor ⓘ |
| hasOfficialNameLanguage | Latin ⓘ |
| hasRimCharacteristic |
broken and worn rim
ⓘ
polygonal outline ⓘ |
| hasSatelliteCrater |
Cassini A
NERFINISHED
ⓘ
Cassini B NERFINISHED ⓘ Cassini C NERFINISHED ⓘ |
| isCataloguedIn |
NASA Catalogue of Lunar Nomenclature
NERFINISHED
ⓘ
USGS Gazetteer of Planetary Nomenclature NERFINISHED ⓘ |
| isProminent | yes ⓘ |
| isVisibleFrom | Earth NERFINISHED ⓘ |
| locatedInRegion | northeastern near side of the Moon ⓘ |
| locatedNear |
Alpine Valley (Vallis Alpes)
NERFINISHED
ⓘ
Alps (lunar mountain range) NERFINISHED ⓘ Mare Imbrium NERFINISHED ⓘ Theaetetus (lunar crater) NERFINISHED ⓘ |
| locatedOn | Moon NERFINISHED ⓘ |
| locatedOnSideOfMoon | near side ⓘ |
| namedAfter | Giovanni Domenico Cassini NERFINISHED ⓘ |
| namedBy | International Astronomical Union NERFINISHED ⓘ |
| observedBy |
Apollo missions
NERFINISHED
ⓘ
Lunar Orbiter missions NERFINISHED ⓘ |
| selenographicLatitude | 40.2° N ⓘ |
| selenographicLongitude | 23.9° E ⓘ |
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: Cassini crater on the Moon Description of subject: Cassini crater on the Moon is a prominent lunar impact crater in the Moon’s northeastern near side, named in honor of the Italian-French astronomer Giovanni Domenico Cassini.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cassini crater on Mars