Stennis Space Center
E17795
Stennis Space Center is NASA’s primary rocket engine testing facility, located in southern Mississippi and crucial to the development and certification of propulsion systems for U.S. space missions.
All labels observed (10)
How this entity was disambiguated
This entity first appeared as the object of triple T93043 — 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: Stennis Space Center Context triple: [NASA, operates, Stennis Space Center]
-
A.
Kennedy Space Center
Kennedy Space Center is NASA’s primary launch complex for human spaceflight and robotic missions, located on Florida’s Atlantic coast.
-
B.
Marshall Space Flight Center
Marshall Space Flight Center is a major NASA field center in Huntsville, Alabama, responsible for developing space launch systems, propulsion technologies, and other key spaceflight hardware.
-
C.
Glenn Research Center
Glenn Research Center is a major NASA research facility in Ohio specializing in aeronautics and space propulsion technologies.
-
D.
Johnson Space Center
Johnson Space Center is NASA’s primary hub for human spaceflight operations, astronaut training, and mission control in Houston, Texas.
-
E.
Cape Canaveral
Cape Canaveral is a prominent headland on Florida’s Atlantic coast best known as a major center for U.S. space launches and aerospace activities.
- 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: Stennis Space Center Target entity description: Stennis Space Center is NASA’s primary rocket engine testing facility, located in southern Mississippi and crucial to the development and certification of propulsion systems for U.S. space missions.
-
A.
Kennedy Space Center
Kennedy Space Center is NASA’s primary launch complex for human spaceflight and robotic missions, located on Florida’s Atlantic coast.
-
B.
Marshall Space Flight Center
Marshall Space Flight Center is a major NASA field center in Huntsville, Alabama, responsible for developing space launch systems, propulsion technologies, and other key spaceflight hardware.
-
C.
Glenn Research Center
Glenn Research Center is a major NASA research facility in Ohio specializing in aeronautics and space propulsion technologies.
-
D.
Johnson Space Center
Johnson Space Center is NASA’s primary hub for human spaceflight operations, astronaut training, and mission control in Houston, Texas.
-
E.
Cape Canaveral
Cape Canaveral is a prominent headland on Florida’s Atlantic coast best known as a major center for U.S. space launches and aerospace activities.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
NASA rocket engine test facility
ⓘ
spaceport facility ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| environmentalFeature | acoustic buffer zone protects surrounding communities from test noise ⓘ |
| formerName |
Mississippi Test Facility
ⓘ
linked to:
Stennis Space Center
|
| hasApproximateArea | about 13,800 acres (core area) ⓘ |
| hasBufferZoneArea | about 125,000 acres ⓘ |
| hasFacilityType | large propulsion test complex ⓘ |
| hasPrimaryFunction |
propulsion system certification
ⓘ
propulsion system development ⓘ rocket engine testing ⓘ |
| hasSecurityPerimeter | acoustic buffer zone ⓘ |
| hasTestStand |
A-1 Test Stand
ⓘ
A-2 Test Stand ⓘ B-1 Test Stand ⓘ B-2 Test Stand ⓘ E Test Complex ⓘ |
| hostsTenant |
NOAA
ⓘ
U.S. Geological Survey ⓘ
linked to:
United States Geological Survey
U.S. Navy ⓘ
linked to:
United States Navy
commercial aerospace companies ⓘ |
| locatedIn |
Hancock County, Mississippi
ⓘ
Mississippi ⓘ |
| locatedInRegion | southern Mississippi ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| locatedNear |
Bay St. Louis, Mississippi
ⓘ
Pearlington, Mississippi ⓘ |
| namedAfter | John C. Stennis ⓘ |
| opened | 1960s ⓘ |
| operator | NASA ⓘ |
| ownedBy | NASA ⓘ |
| partOf | NASA ⓘ |
| significance |
critical to development and certification of U.S. spaceflight propulsion systems
ⓘ
primary NASA rocket propulsion test center ⓘ |
| specializesIn | liquid-fueled rocket engine testing ⓘ |
| supportsAgency |
NASA Johnson Space Center
ⓘ
linked to:
Johnson Space Center
NASA Marshall Space Flight Center ⓘ
linked to:
Marshall Space Flight Center
|
| supportsProgram |
Apollo program
ⓘ
Artemis program ⓘ Space Launch System program ⓘ
linked to:
Space Launch System
Space Shuttle program ⓘ
linked to:
NASA Space Shuttle program
|
| testedEngineType |
RS-25 engine
ⓘ
linked to:
Space Shuttle Main Engines
SLS core stage ⓘ
linked to:
Space Launch System
Saturn V rocket stages ⓘ
linked to:
Saturn V
Space Shuttle Main Engine ⓘ
linked to:
Space Shuttle Main Engines
|
| usedFor |
testing Department of Defense propulsion systems
ⓘ
testing commercial launch vehicle engines ⓘ testing propulsion systems for NASA programs ⓘ testing rocket engines for U.S. space missions ⓘ |
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: Stennis Space Center Description of subject: Stennis Space Center is NASA’s primary rocket engine testing facility, located in southern Mississippi and crucial to the development and certification of propulsion systems for U.S. space missions.
Referenced by (35)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
linked to: Stennis Space Center
subject linked to:
John
linked to: Stennis Space Center
subject linked to:
NASA and SpaceX
linked to: Stennis Space Center