STS-51L
E34336
STS-51L was the ill-fated 1986 Space Shuttle Challenger mission that ended in disaster shortly after launch, leading to the deaths of its seven crew members and major reforms in NASA’s spaceflight program.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T249389 — 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: STS-51L Context triple: [NASA Space Shuttle program, notableMission, STS-51L]
-
A.
STS-41B
STS-41B was a 1984 NASA Space Shuttle Challenger mission best known for the first untethered spacewalks using the Manned Maneuvering Unit.
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B.
Columbia disaster
The Columbia disaster was the 2003 Space Shuttle tragedy in which the orbiter Columbia broke apart during reentry, killing all seven astronauts aboard and leading to major changes in NASA’s human spaceflight program.
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C.
STS-135
STS-135 was the final mission of NASA’s Space Shuttle program, flown by Atlantis in 2011 to resupply the International Space Station and conclude the shuttle era.
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D.
STS-42
STS-42 was a 1992 NASA Space Shuttle Discovery mission focused on microgravity and life sciences research, notable for carrying Roberta Bondar as Canada’s first female astronaut in space.
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E.
Space Shuttle Discovery
Space Shuttle Discovery is a retired NASA orbiter best known for launching the Hubble Space Telescope and conducting numerous key missions in the Space Shuttle program.
- 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: STS-51L Target entity description: STS-51L was the ill-fated 1986 Space Shuttle Challenger mission that ended in disaster shortly after launch, leading to the deaths of its seven crew members and major reforms in NASA’s spaceflight program.
-
A.
STS-41B
STS-41B was a 1984 NASA Space Shuttle Challenger mission best known for the first untethered spacewalks using the Manned Maneuvering Unit.
-
B.
Columbia disaster
The Columbia disaster was the 2003 Space Shuttle tragedy in which the orbiter Columbia broke apart during reentry, killing all seven astronauts aboard and leading to major changes in NASA’s human spaceflight program.
-
C.
STS-135
STS-135 was the final mission of NASA’s Space Shuttle program, flown by Atlantis in 2011 to resupply the International Space Station and conclude the shuttle era.
-
D.
STS-42
STS-42 was a 1992 NASA Space Shuttle Discovery mission focused on microgravity and life sciences research, notable for carrying Roberta Bondar as Canada’s first female astronaut in space.
-
E.
Space Shuttle Discovery
Space Shuttle Discovery is a retired NASA orbiter best known for launching the Hubble Space Telescope and conducting numerous key missions in the Space Shuttle program.
- F. None of above. chosen
Statements (65)
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: STS-51L Description of subject: STS-51L was the ill-fated 1986 Space Shuttle Challenger mission that ended in disaster shortly after launch, leading to the deaths of its seven crew members and major reforms in NASA’s spaceflight program.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
STS-51-L
this entity surface form:
Space Shuttle Challenger crew
this entity surface form:
STS-51L Challenger mission (originally scheduled from 39B, later moved)
this entity surface form:
STS-51-L
this entity surface form:
STS-51-L
this entity surface form:
STS-51-L
this entity surface form:
STS-51-L
this entity surface form:
STS-51-L
this entity surface form:
STS-51-L
this entity surface form:
STS-51-L
this entity surface form:
STS-51-L
this entity surface form:
STS-51-L
this entity surface form:
Space Shuttle mission STS-51-L
subject surface form:
Christa McAuliffe
this entity surface form:
Space Shuttle Challenger mission STS-51-L
subject surface form:
Francis R. Scobee
this entity surface form:
Space Shuttle Challenger STS-51-L
subject surface form:
Sharon Christa McAuliffe
this entity surface form:
Space Shuttle Challenger mission STS-51-L
subject surface form:
Ronald McNair
this entity surface form:
Space Shuttle Challenger mission STS-51-L
subject surface form:
Ronald E. McNair Life History Center
this entity surface form:
Space Shuttle Challenger STS-51-L mission