Apollo 15 landing site
E867321
The Apollo 15 landing site is the area on the Moon where NASA’s 1971 Apollo 15 mission touched down near the Hadley Rille and Apennine Mountains to conduct advanced scientific exploration and rover-based surface operations.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Apollo 15 landing site canonical | 5 |
| Apollo 15 landing area | 1 |
| Hadley Rille / Apennine Mountains landing site | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10501560 — 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: Apollo 15 landing site Context triple: [Hadley–Apennine region, containsFeature, Apollo 15 landing site]
-
A.
Apollo 16 landing site
The Apollo 16 landing site is the area in the Moon’s Descartes Highlands where NASA’s Apollo 16 mission touched down in 1972 to conduct geological exploration of the lunar highlands.
-
B.
Apollo 11 landing site
The Apollo 11 landing site is the historic location on the Moon where humans first landed and walked during NASA's 1969 mission.
-
C.
Taurus–Littrow valley
Taurus–Littrow valley is a geologically diverse lunar valley in the Moon’s Taurus Mountains that served as the landing and exploration site for NASA’s Apollo 17 mission.
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D.
Tranquility Base
Tranquility Base is the historic site on the Moon where Apollo 11’s Lunar Module Eagle landed in 1969, marking the first crewed Moon landing.
-
E.
Stevenson Landing
Stevenson Landing is a marina and docking facility on the Columbia River serving the city of Stevenson in Washington State.
- 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: Apollo 15 landing site Target entity description: The Apollo 15 landing site is the area on the Moon where NASA’s 1971 Apollo 15 mission touched down near the Hadley Rille and Apennine Mountains to conduct advanced scientific exploration and rover-based surface operations.
-
A.
Apollo 16 landing site
The Apollo 16 landing site is the area in the Moon’s Descartes Highlands where NASA’s Apollo 16 mission touched down in 1972 to conduct geological exploration of the lunar highlands.
-
B.
Apollo 11 landing site
The Apollo 11 landing site is the historic location on the Moon where humans first landed and walked during NASA's 1969 mission.
-
C.
Taurus–Littrow valley
Taurus–Littrow valley is a geologically diverse lunar valley in the Moon’s Taurus Mountains that served as the landing and exploration site for NASA’s Apollo 17 mission.
-
D.
Tranquility Base
Tranquility Base is the historic site on the Moon where Apollo 11’s Lunar Module Eagle landed in 1969, marking the first crewed Moon landing.
-
E.
Stevenson Landing
Stevenson Landing is a marina and docking facility on the Columbia River serving the city of Stevenson in Washington State.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geographic location on the Moon
ⓘ
lunar landing site ⓘ |
| countryOfOperator |
United States
ⓘ
linked to:
United States of America
|
| evaCount | 3 ⓘ |
| experimentDeployed |
Apollo Lunar Surface Experiments Package (ALSEP)
ⓘ
Lunar dust detector ⓘ Lunar surface gravimeter ⓘ Lunar surface magnetometer ⓘ Solar wind spectrometer ⓘ |
| firstUseOf | Lunar Roving Vehicle ⓘ |
| geologicContext |
Apennine Front highlands
ⓘ
Mare Imbrium basin rim ⓘ |
| landingCraft |
Lunar Module Falcon
ⓘ
linked to:
Apollo Lunar Module
|
| landingDateUTC | 1971-07-30 ⓘ |
| landingOfMission | Apollo 15 ⓘ |
| landingTimeUTC | 22:16:29 ⓘ |
| launchVehicleOfMission | Saturn V ⓘ |
| locatedInRegion |
Mare Imbrium region
ⓘ
linked to:
Mare Imbrium
|
| locatedOn | Moon ⓘ |
| missionLaunchDateUTC | 1971-07-26 ⓘ |
| missionLunarLandingNumber | 4th crewed lunar landing ⓘ |
| missionNumberInApolloProgram | 9th crewed Apollo mission ⓘ |
| missionSplashdownDateUTC | 1971-08-07 ⓘ |
| missionType | crewed lunar landing ⓘ |
| nearFeature |
Apennine Mountains (lunar)
ⓘ
linked to:
Apennine Mountains (Moon)
Hadley Rille ⓘ Mons Hadley ⓘ
linked to:
Mount Hadley
Mons Hadley Delta ⓘ |
| notableFor |
first extended-stay J-mission to the Moon
ⓘ
first use of a lunar rover on the Moon ⓘ |
| notableRockSample | Genesis Rock ⓘ |
| operatedBy | NASA ⓘ |
| primaryCommander | David R. Scott ⓘ |
| primaryCommandModulePilot | Alfred M. Worden ⓘ |
| primaryLunarModulePilot | James B. Irwin ⓘ |
| program | Apollo program ⓘ |
| sampleCollectionMass | about 77 kg of lunar samples ⓘ |
| scientificFocus |
advanced geological field exploration
ⓘ
sampling of highland and mare materials ⓘ study of Apennine Front ⓘ study of Hadley Rille ⓘ |
| selenographicLatitude | 26.1322° N (approximate) ⓘ |
| selenographicLongitude | 3.6339° E (approximate) ⓘ |
| surfaceVehicleUsed |
Lunar Roving Vehicle 1
ⓘ
linked to:
Lunar Roving Vehicle
|
| totalEVAOnSurfaceHours | about 18.5 hours ⓘ |
| totalSurfaceStayDuration | about 66 hours ⓘ |
| visitedByAstronaut |
David R. Scott
ⓘ
James B. Irwin ⓘ |
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: Apollo 15 landing site Description of subject: The Apollo 15 landing site is the area on the Moon where NASA’s 1971 Apollo 15 mission touched down near the Hadley Rille and Apennine Mountains to conduct advanced scientific exploration and rover-based surface operations.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Apollo 15 landing site
linked to: Apollo 15 landing site