lunar crater Piazzi
E502410
Lunar crater Piazzi is an impact crater on the Moon named in honor of Italian astronomer Giuseppe Piazzi, discoverer of the dwarf planet Ceres.
All labels observed (1)
| Label | Occurrences |
|---|---|
| lunar crater Piazzi canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5201847 — 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: lunar crater Piazzi Context triple: [Giuseppe Piazzi, hasHonor, lunar crater Piazzi]
-
A.
Baade lunar crater
Baade lunar crater is a large impact feature on the Moon’s far side named in honor of German astronomer Walter Baade.
-
B.
von Kármán crater on the Moon
Von Kármán crater on the Moon is a large impact crater on the lunar far side, notable as the landing site of China’s Chang’e 4 mission and named in honor of aerospace engineer Theodore von Kármán.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: lunar crater Piazzi Target entity description: Lunar crater Piazzi is an impact crater on the Moon named in honor of Italian astronomer Giuseppe Piazzi, discoverer of the dwarf planet Ceres.
-
A.
Baade lunar crater
Baade lunar crater is a large impact feature on the Moon’s far side named in honor of German astronomer Walter Baade.
-
B.
von Kármán crater on the Moon
Von Kármán crater on the Moon is a large impact crater on the lunar far side, notable as the landing site of China’s Chang’e 4 mission and named in honor of aerospace engineer Theodore von Kármán.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf | lunar impact crater ⓘ |
| cataloguedIn |
IAU Gazetteer of Planetary Nomenclature
ⓘ
linked to:
Gazetteer of Planetary Nomenclature
|
| celestialBodyType | lunar surface feature ⓘ |
| diameter | approximately 100 km ⓘ |
| eponymOfDiscovererOf | Ceres ⓘ |
| featureType | crater ⓘ |
| formationProcess | impact event ⓘ |
| hasAge | pre-Imbrian or early lunar geological period (approximate) ⓘ |
| hasColongitude | approximately 90° ⓘ |
| hasFeature | central peak ⓘ |
| hasSatelliteCrater |
Piazzi B
ⓘ
Piazzi C ⓘ Piazzi D ⓘ |
| interiorFloor |
marked by smaller craters
ⓘ
relatively level ⓘ |
| locatedIn | southern hemisphere of the Moon ⓘ |
| locatedOn |
Moon
ⓘ
lunar far side ⓘ |
| namedAfter | Giuseppe Piazzi ⓘ |
| namedAfterNationality | Italian ⓘ |
| namedAfterOccupation | astronomer ⓘ |
| namedBy | International Astronomical Union ⓘ |
| namingStatus | approved by IAU ⓘ |
| observedBy |
Apollo mission photography
ⓘ
Lunar Orbiter spacecraft ⓘ
linked to:
Lunar Orbiter program
|
| relatedTo |
dwarf planet Ceres
ⓘ
linked to:
Ceres
|
| rimCondition |
eroded
ⓘ
worn ⓘ |
| shape | roughly circular ⓘ |
| surfaceType | lunar highlands ⓘ |
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: lunar crater Piazzi Description of subject: Lunar crater Piazzi is an impact crater on the Moon named in honor of Italian astronomer Giuseppe Piazzi, discoverer of the dwarf planet Ceres.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.