Apollo 11 landing site
E563136
The Apollo 11 landing site is the historic location on the Moon where humans first landed and walked during NASA's 1969 mission.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Apollo 11 landing site canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6042818 — 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 11 landing site Context triple: [Mare Tranquillitatis, containsLandingSite, Apollo 11 landing site]
-
A.
Launch Complex 39 Press Site
Launch Complex 39 Press Site is the designated media viewing and reporting area at NASA’s Kennedy Space Center, providing accredited press with a clear vantage point for observing and covering rocket launches.
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B.
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.
-
C.
Launch Complex 39
Launch Complex 39 is a major NASA launch facility at Kennedy Space Center, best known as the departure site for Apollo Moon missions and Space Shuttle flights.
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D.
Stevenson Landing
Stevenson Landing is a marina and docking facility on the Columbia River serving the city of Stevenson in Washington State.
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E.
Launch Complex 18
Launch Complex 18 is a former U.S. launch facility at Cape Canaveral used primarily for early missile and space vehicle tests during the Cold War era.
- 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 11 landing site Target entity description: The Apollo 11 landing site is the historic location on the Moon where humans first landed and walked during NASA's 1969 mission.
-
A.
Launch Complex 39 Press Site
Launch Complex 39 Press Site is the designated media viewing and reporting area at NASA’s Kennedy Space Center, providing accredited press with a clear vantage point for observing and covering rocket launches.
-
B.
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.
-
C.
Launch Complex 39
Launch Complex 39 is a major NASA launch facility at Kennedy Space Center, best known as the departure site for Apollo Moon missions and Space Shuttle flights.
-
D.
Stevenson Landing
Stevenson Landing is a marina and docking facility on the Columbia River serving the city of Stevenson in Washington State.
-
E.
Launch Complex 18
Launch Complex 18 is a former U.S. launch facility at Cape Canaveral used primarily for early missile and space vehicle tests during the Cold War era.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature on the Moon
ⓘ
historic site ⓘ lunar landing site ⓘ |
| alsoKnownAs | Tranquility Base NERFINISHED ⓘ |
| associatedAstronaut |
Buzz Aldrin
NERFINISHED
ⓘ
Michael Collins NERFINISHED ⓘ Neil Armstrong NERFINISHED ⓘ |
| associatedMission | Apollo 11 NERFINISHED ⓘ |
| associatedSpacecraft |
Apollo Command and Service Module Columbia
NERFINISHED
ⓘ
Apollo Lunar Module Eagle NERFINISHED ⓘ |
| containsArtifact |
American flag
NERFINISHED
ⓘ
Apollo Lunar Module descent stage NERFINISHED ⓘ experiment packages ⓘ footprints of astronauts ⓘ laser ranging retroreflector ⓘ mission plaques ⓘ seismometer ⓘ television camera ⓘ tools and equipment ⓘ |
| countryOfOperator |
United States of America
ⓘ
surface form:
United States
|
| declaredNameBy | Neil Armstrong NERFINISHED ⓘ |
| declaredNameDuringEvent | Apollo 11 lunar landing NERFINISHED ⓘ |
| distanceFromLunarEquator | near-equatorial ⓘ |
| elevationRelativeToMeanRadius | approximately −2,400 m ⓘ |
| extravehicularActivityDuration | about 2.5 hours on the surface ⓘ |
| firstHumanLanding | 1969-07-20 ⓘ |
| firstHumanMoonwalk | 1969-07-21 ⓘ |
| firstWordsFromSurface | Houston, Tranquility Base here. The Eagle has landed. ⓘ |
| historicalSignificance |
first place where humans landed on another celestial body
ⓘ
first place where humans walked on the Moon ⓘ |
| imagedBy |
Lunar Orbiter missions
ⓘ
Lunar Reconnaissance Orbiter NERFINISHED ⓘ |
| locatedIn |
Mare Tranquillitatis
NERFINISHED
ⓘ
Sea of Tranquility NERFINISHED ⓘ |
| locatedOn | Moon NERFINISHED ⓘ |
| lunarCoordinatesSystem | selenographic coordinates ⓘ |
| lunarLatitude | 0.67408° N ⓘ |
| lunarLatitudeApprox | 0.674° N ⓘ |
| lunarLongitude | 23.47297° E ⓘ |
| lunarLongitudeApprox | 23.473° E ⓘ |
| namedAfter | Tranquility Base NERFINISHED ⓘ |
| notVisitedBy | Michael Collins NERFINISHED ⓘ |
| operatedBy | NASA ⓘ |
| protectedStatusProposedBy | various scientific and heritage organizations ⓘ |
| selectedFor |
safety of landing
ⓘ
scientific interest ⓘ |
| terrainType | relatively flat mare basalt plain ⓘ |
| timeZone | lunar standard of mission elapsed time ⓘ |
| visitedBy |
Buzz Aldrin
NERFINISHED
ⓘ
Neil Armstrong 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: Apollo 11 landing site Description of subject: The Apollo 11 landing site is the historic location on the Moon where humans first landed and walked during NASA's 1969 mission.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.