Mercury-Atlas 8
E138953
Mercury-Atlas 8 was a 1962 NASA crewed spaceflight in the Mercury program that carried astronaut Wally Schirra on a six-orbit mission to test spacecraft systems and astronaut endurance.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mercury-Atlas 8 canonical | 10 |
| Mercury-Atlas 8 spacecraft | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1116621 — 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: Mercury-Atlas 8 Context triple: [Mercury program, notableMission, Mercury-Atlas 8]
-
A.
Mercury-Atlas 6
Mercury-Atlas 6 was the 1962 NASA mission that carried astronaut John Glenn on the first American crewed orbital flight around Earth.
-
B.
Mercury-Atlas 7
Mercury-Atlas 7 was a 1962 NASA crewed spaceflight that carried astronaut Scott Carpenter into Earth orbit as part of Project Mercury, advancing the United States’ early human spaceflight efforts.
-
C.
Mercury-Atlas 9
Mercury-Atlas 9 was NASA’s final crewed Mercury mission, during which astronaut Gordon Cooper completed the longest and last solo orbital flight of the program in 1963.
-
D.
Mercury-Redstone 3
Mercury-Redstone 3 was the 1961 NASA mission that carried astronaut Alan Shepard on the first American crewed spaceflight, marking a major early milestone in human space exploration.
-
E.
Mercury-Redstone 4
Mercury-Redstone 4 was NASA’s second crewed Mercury mission, which carried astronaut Gus Grissom on a suborbital flight in 1961 and is known for the premature hatch blow that led to the loss of the Liberty Bell 7 capsule.
- 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: Mercury-Atlas 8 Target entity description: Mercury-Atlas 8 was a 1962 NASA crewed spaceflight in the Mercury program that carried astronaut Wally Schirra on a six-orbit mission to test spacecraft systems and astronaut endurance.
-
A.
Mercury-Atlas 6
Mercury-Atlas 6 was the 1962 NASA mission that carried astronaut John Glenn on the first American crewed orbital flight around Earth.
-
B.
Mercury-Atlas 7
Mercury-Atlas 7 was a 1962 NASA crewed spaceflight that carried astronaut Scott Carpenter into Earth orbit as part of Project Mercury, advancing the United States’ early human spaceflight efforts.
-
C.
Mercury-Atlas 9
Mercury-Atlas 9 was NASA’s final crewed Mercury mission, during which astronaut Gordon Cooper completed the longest and last solo orbital flight of the program in 1963.
-
D.
Mercury-Redstone 3
Mercury-Redstone 3 was the 1961 NASA mission that carried astronaut Alan Shepard on the first American crewed spaceflight, marking a major early milestone in human space exploration.
-
E.
Mercury-Redstone 4
Mercury-Redstone 4 was NASA’s second crewed Mercury mission, which carried astronaut Gus Grissom on a suborbital flight in 1961 and is known for the premature hatch blow that led to the loss of the Liberty Bell 7 capsule.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
Mercury program mission
ⓘ
crewed spaceflight ⓘ orbital spaceflight ⓘ |
| astronaut | Wally Schirra ⓘ |
| callsign | Sigma 7 ⓘ |
| crewMember |
Walter M. Schirra Jr.
ⓘ
linked to:
Wally Schirra
|
| crewRoleOf Wally Schirra | pilot ⓘ |
| crewSize | 1 ⓘ |
| followedBy | Mercury-Atlas 9 ⓘ |
| isPartOf | early United States human spaceflight program ⓘ |
| landingDate | 1962-10-03 ⓘ |
| landingSite | Pacific Ocean ⓘ |
| launchDate | 1962-10-03 ⓘ |
| launchSite |
Cape Canaveral Air Force Station Launch Complex 14
ⓘ
Cape Canaveral, Florida ⓘ
linked to:
Cape Canaveral
|
| launchVehicle | Atlas LV-3B ⓘ |
| launchYear | 1962 ⓘ |
| missionDuration | approximately 9 hours ⓘ |
| missionOutcome | success ⓘ |
| missionType | test of spacecraft systems and astronaut endurance ⓘ |
| nation |
United States
ⓘ
linked to:
United States of America
|
| notableFor | first long-duration U.S. orbital mission focused on engineering evaluation ⓘ |
| operator | NASA ⓘ |
| orbitsCompleted | 6 ⓘ |
| precededBy | Mercury-Atlas 7 ⓘ |
| primaryObjective | engineering evaluation of Mercury spacecraft systems ⓘ |
| program |
Project Mercury
ⓘ
linked to:
Mercury program
|
| recoveryBy |
U.S. Navy
ⓘ
linked to:
United States Navy
|
| recoveryMethod | splashdown ⓘ |
| secondaryObjective | evaluation of astronaut endurance on multi-orbit flight ⓘ |
| spacecraft | Mercury spacecraft Sigma 7 ⓘ |
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: Mercury-Atlas 8 Description of subject: Mercury-Atlas 8 was a 1962 NASA crewed spaceflight in the Mercury program that carried astronaut Wally Schirra on a six-orbit mission to test spacecraft systems and astronaut endurance.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mercury-Atlas 8