Mare Imbrium vicinity
E143711
Mare Imbrium vicinity refers to the area surrounding the Moon’s large Mare Imbrium basin, a prominent dark lava plain in the lunar northwest near which the Soviet Luna 2 spacecraft impacted.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Hadley–Apennine region of the Moon | 1 |
| Mare Imbrium vicinity canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1253178 — 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: Mare Imbrium vicinity Context triple: [Luna 2, impactRegion, Mare Imbrium vicinity]
-
A.
Mare Tranquillitatis
Mare Tranquillitatis is a lunar mare on the Moon’s near side, best known as the site of Apollo 11’s first crewed Moon landing.
-
B.
Olympus region (nearby)
The Olympus region is a mountainous area in northern Greece dominated by Mount Olympus, famed for its dramatic landscapes, rich biodiversity, and mythological significance as the legendary home of the Greek gods.
-
C.
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.
-
D.
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.
-
E.
Gagarin crater on the Moon
Gagarin crater on the Moon is a large lunar impact crater on the Moon’s far side named in honor of Soviet cosmonaut Yuri Gagarin, the first human in space.
- 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: Mare Imbrium vicinity Target entity description: Mare Imbrium vicinity refers to the area surrounding the Moon’s large Mare Imbrium basin, a prominent dark lava plain in the lunar northwest near which the Soviet Luna 2 spacecraft impacted.
-
A.
Mare Tranquillitatis
Mare Tranquillitatis is a lunar mare on the Moon’s near side, best known as the site of Apollo 11’s first crewed Moon landing.
-
B.
Olympus region (nearby)
The Olympus region is a mountainous area in northern Greece dominated by Mount Olympus, famed for its dramatic landscapes, rich biodiversity, and mythological significance as the legendary home of the Greek gods.
-
C.
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.
-
D.
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.
-
E.
Gagarin crater on the Moon
Gagarin crater on the Moon is a large lunar impact crater on the Moon’s far side named in honor of Soviet cosmonaut Yuri Gagarin, the first human in space.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical location
ⓘ
lunar region ⓘ |
| approximateLunarCoordinates | about 30°–50° N, 10°–40° W (selenographic) ⓘ |
| associatedWithSpacecraftImpact | Luna 2 ⓘ |
| contains |
Archimedes crater vicinity
ⓘ
Aristillus crater vicinity ⓘ Autolycus crater vicinity ⓘ Euler crater vicinity ⓘ Imbrium Basin rim ⓘ Luna 2 impact region ⓘ Montes Alpes vicinity ⓘ Montes Apenninus vicinity ⓘ Montes Carpatus vicinity ⓘ Plato crater vicinity ⓘ Sinus Iridum vicinity ⓘ Timocharis crater vicinity ⓘ craters around Mare Imbrium ⓘ lava plains around Mare Imbrium ⓘ mountain ranges around Mare Imbrium ⓘ |
| formedBy | large impact event creating Imbrium Basin ⓘ |
| geologicalContext |
Imbrium Basin ejecta zone
ⓘ
mare basalt flows around Imbrium ⓘ |
| hasAge |
Imbrian period for mare basalts
ⓘ
Nectarian–early Imbrian for basin formation ⓘ |
| hasAlbedoCharacteristic | low-albedo mare interior with higher-albedo rim ⓘ |
| hasCentralFeature | Mare Imbrium ⓘ |
| hasNotableEvent | impact of Luna 2 spacecraft in 1959 ⓘ |
| locatedInLunarHemisphere | northwestern near side ⓘ |
| locatedOn | Moon ⓘ |
| neighboringRegion |
Mare Frigoris vicinity
ⓘ
Mare Serenitatis vicinity ⓘ Oceanus Procellarum vicinity ⓘ |
| notableFor |
prominent dark mare plain
ⓘ
ring-shaped mountain ranges ⓘ surrounding bright highlands ⓘ |
| observedBy |
Apollo program
ⓘ
surface form:
Apollo missions
Lunar Orbiter program ⓘ
surface form:
Lunar Orbiter missions
Lunar Reconnaissance Orbiter ⓘ ground-based telescopes ⓘ |
| partOf |
Imbrium Basin ejecta zone
ⓘ
surface form:
Imbrium geological province
near-side lunar maria region ⓘ |
| surfaceType | mixed highland and mare terrain ⓘ |
| surrounds | Mare Imbrium ⓘ |
| usedFor |
impact basin studies
ⓘ
lunar geological mapping ⓘ lunar volcanism research ⓘ |
| visibleFrom | Earth ⓘ |
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: Mare Imbrium vicinity Description of subject: Mare Imbrium vicinity refers to the area surrounding the Moon’s large Mare Imbrium basin, a prominent dark lava plain in the lunar northwest near which the Soviet Luna 2 spacecraft impacted.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hadley–Apennine region of the Moon