Mariner 4
E109432
Mariner 4 was a NASA spacecraft that performed the first successful flyby of Mars in 1965, returning the first close-up images of another planet.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mariner 4 canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T934001 — 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: Mariner 4 Context triple: [Mars, exploredBy, Mariner 4]
-
A.
Mariner 10
Mariner 10 was a NASA space probe launched in 1973 that became the first spacecraft to visit Mercury and the first to use a gravity-assist maneuver to reach another planet.
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B.
Pioneer 11
Pioneer 11 is a NASA space probe launched in 1973 that conducted pioneering flybys of Jupiter and Saturn, helping to open the outer solar system to exploration.
-
C.
Pioneer 10
Pioneer 10 is a NASA space probe launched in 1972 that became the first spacecraft to travel through the asteroid belt and make a direct observation of Jupiter before heading into interstellar space.
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D.
Mars Pathfinder
Mars Pathfinder was a NASA mission that successfully landed a stationary base and the Sojourner rover on Mars in 1997, demonstrating innovative low-cost technologies for planetary exploration.
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E.
Voyager 1
Voyager 1 is a NASA space probe launched in 1977 that became the most distant human-made object in space, conducting historic flybys of Jupiter and Saturn and now exploring interstellar space.
- 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: Mariner 4 Target entity description: Mariner 4 was a NASA spacecraft that performed the first successful flyby of Mars in 1965, returning the first close-up images of another planet.
-
A.
Mariner 10
Mariner 10 was a NASA space probe launched in 1973 that became the first spacecraft to visit Mercury and the first to use a gravity-assist maneuver to reach another planet.
-
B.
Pioneer 11
Pioneer 11 is a NASA space probe launched in 1973 that conducted pioneering flybys of Jupiter and Saturn, helping to open the outer solar system to exploration.
-
C.
Pioneer 10
Pioneer 10 is a NASA space probe launched in 1972 that became the first spacecraft to travel through the asteroid belt and make a direct observation of Jupiter before heading into interstellar space.
-
D.
Mars Pathfinder
Mars Pathfinder was a NASA mission that successfully landed a stationary base and the Sojourner rover on Mars in 1997, demonstrating innovative low-cost technologies for planetary exploration.
-
E.
Voyager 1
Voyager 1 is a NASA space probe launched in 1977 that became the most distant human-made object in space, conducting historic flybys of Jupiter and Saturn and now exploring interstellar space.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
NASA spacecraft
ⓘ
space probe ⓘ uncrewed spacecraft ⓘ |
| attitudeControl | three-axis stabilized ⓘ |
| carriedInstrument |
cosmic ray telescope
ⓘ
magnetometer ⓘ occultation experiment equipment ⓘ radiometer ⓘ solar plasma probe ⓘ television camera system ⓘ trapped radiation detector ⓘ |
| closestApproachDate | 1965-07-15 ⓘ |
| closestApproachDistance | about 9846 kilometers above Mars surface ⓘ |
| communicationBand | S-band ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| discovered | very thin Martian atmosphere ⓘ |
| dryMass | approximately 260 kilograms ⓘ |
| endOfMission | late 1960s ⓘ |
| firstCloseUpImagesOf |
Mars
ⓘ
another planet ⓘ |
| firstSuccessfulFlybyOf | Mars ⓘ |
| flybyDate | 1965-07-14 ⓘ |
| followedBy | Mariner 5 ⓘ |
| found | no detectable global Martian magnetic field ⓘ |
| imageType | television pictures ⓘ |
| lastContactDate | 1967-12-21 ⓘ |
| launchDate | 1964-11-28 ⓘ |
| launchMass | approximately 260–260+ kilograms ⓘ |
| launchSite | Cape Kennedy Air Force Station Launch Complex 12 ⓘ |
| launchVehicle |
Atlas LV-3 Agena-D
ⓘ
linked to:
Atlas-Agena
|
| measured | low atmospheric surface pressure on Mars ⓘ |
| missionObjective |
measure Martian atmosphere and surface properties
ⓘ
perform first close flyby of Mars ⓘ return close-up images of Martian surface ⓘ |
| missionResult | returned first detailed data on Martian surface and atmosphere ⓘ |
| missionType |
Mars flyby
ⓘ
planetary flyby ⓘ |
| notableAs |
first spacecraft to return close-up images of another planet
ⓘ
first successful Mars flyby mission ⓘ |
| numberOfImagesReturned | 22 ⓘ |
| operator | NASA ⓘ |
| orbitType | heliocentric orbit ⓘ |
| powerSource | solar panels ⓘ |
| precededBy | Mariner 3 ⓘ |
| program | Mariner program ⓘ |
| shape | octagonal bus with four solar panels ⓘ |
| spacecraftBus | Mariner Mars 1964 bus ⓘ |
| spacecraftManufacturer | Jet Propulsion Laboratory ⓘ |
| target | Mars ⓘ |
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: Mariner 4 Description of subject: Mariner 4 was a NASA spacecraft that performed the first successful flyby of Mars in 1965, returning the first close-up images of another planet.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.