Skylab 2
E147684
Skylab 2 was the first crewed mission to the United States' Skylab space station, during which astronauts repaired and activated the damaged orbital workshop and conducted extensive scientific experiments.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Skylab 2 canonical | 14 |
| Skylab 2 crew | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1260878 — 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: Skylab 2 Context triple: [Skylab program, notableMission, Skylab 2]
-
A.
Skylab 1
Skylab 1 was the 1973 mission that launched the United States' first space station, Skylab, into Earth orbit.
-
B.
Gemini 7
Gemini 7 was a 1965 NASA crewed spacecraft mission that conducted a long-duration 14-day flight to study the effects of space travel on the human body and served as the passive target for the first crewed space rendezvous with Gemini 6A.
-
C.
Gemini 6A
Gemini 6A was a 1965 NASA crewed spaceflight that achieved the first successful rendezvous between two orbiting spacecraft during the Gemini program.
-
D.
Gemini 5
Gemini 5 was a 1965 NASA crewed spaceflight that set a then-record for longest human space mission, demonstrating key endurance and rendezvous technologies for the Apollo program.
-
E.
Skylab program
The Skylab program was NASA’s first space station initiative, focused on long-duration human spaceflight and scientific research in Earth orbit during the 1970s.
- 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: Skylab 2 Target entity description: Skylab 2 was the first crewed mission to the United States' Skylab space station, during which astronauts repaired and activated the damaged orbital workshop and conducted extensive scientific experiments.
-
A.
Skylab 1
Skylab 1 was the 1973 mission that launched the United States' first space station, Skylab, into Earth orbit.
-
B.
Gemini 7
Gemini 7 was a 1965 NASA crewed spacecraft mission that conducted a long-duration 14-day flight to study the effects of space travel on the human body and served as the passive target for the first crewed space rendezvous with Gemini 6A.
-
C.
Gemini 6A
Gemini 6A was a 1965 NASA crewed spaceflight that achieved the first successful rendezvous between two orbiting spacecraft during the Gemini program.
-
D.
Gemini 5
Gemini 5 was a 1965 NASA crewed spaceflight that set a then-record for longest human space mission, demonstrating key endurance and rendezvous technologies for the Apollo program.
-
E.
Skylab program
The Skylab program was NASA’s first space station initiative, focused on long-duration human spaceflight and scientific research in Earth orbit during the 1970s.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
NASA space mission
ⓘ
Skylab program mission ⓘ crewed spaceflight mission ⓘ |
| callSign | Skylab 2 self-link ⓘ |
| commander |
Charles Conrad
ⓘ
surface form:
Charles Conrad Jr.
|
| country |
United States of America
ⓘ
surface form:
United States
|
| crewMember |
Charles Conrad
ⓘ
surface form:
Charles Conrad Jr.
Joseph P. Kerwin ⓘ Paul J. Weitz ⓘ |
| crewSize | 3 ⓘ |
| dockingTarget | Skylab Orbital Workshop ⓘ |
| EVAcount | 3 ⓘ |
| EVAtime | about 6 hours 20 minutes total ⓘ |
| followedBy | Skylab 3 ⓘ |
| landingDate | 1973-06-22 ⓘ |
| launchComplex |
Kennedy Space Center Launch Complex 39B
ⓘ
surface form:
Launch Complex 39B
|
| launchDate | 1973-05-25 ⓘ |
| launchMass | about 21,000 kilograms ⓘ |
| launchSite | Kennedy Space Center ⓘ |
| launchVehicle | Saturn IB ⓘ |
| missionDuration |
28 days
ⓘ
about 672 hours ⓘ |
| missionType |
scientific research mission
ⓘ
space station crew rotation ⓘ space station repair mission ⓘ |
| notableAchievement |
first long-duration U.S. space station crew
ⓘ
saved Skylab program by repairing workshop ⓘ |
| objective |
activate Skylab orbital workshop
ⓘ
conduct Earth resources observations ⓘ conduct biomedical experiments ⓘ conduct solar astronomy observations ⓘ deploy Skylab solar panel ⓘ install thermal sunshade on Skylab ⓘ repair damaged Skylab solar arrays ⓘ |
| operator | NASA ⓘ |
| orbit | low Earth orbit ⓘ |
| pilot | Paul J. Weitz ⓘ |
| precededBy | Skylab 1 ⓘ |
| program | Skylab program ⓘ |
| recoveryShip | USS Ticonderoga ⓘ |
| sciencePilot | Joseph P. Kerwin ⓘ |
| spaceAgency | NASA ⓘ |
| spacecraft | Apollo CSM-116 ⓘ |
| spacecraftReturnLocation | Pacific Ocean ⓘ |
| spacecraftType |
Apollo command and service module
ⓘ
surface form:
Apollo Command and Service Module
|
| spaceStationVisited |
Skylab 1
ⓘ
surface form:
Skylab
|
| wasFirst | first crewed mission to Skylab ⓘ |
| year | 1973 ⓘ |
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: Skylab 2 Description of subject: Skylab 2 was the first crewed mission to the United States' Skylab space station, during which astronauts repaired and activated the damaged orbital workshop and conducted extensive scientific experiments.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Skylab 2 crew