Mariner 10
E100920
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mariner 10 canonical | 6 |
| Mariner 10 spacecraft | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T869016 — 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 10 Context triple: [Mercury, exploredBy, Mariner 10]
-
A.
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.
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B.
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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C.
Voyager 2
Voyager 2 is a NASA space probe launched in 1977 that conducted historic flybys of all four outer giant planets and is now traveling through interstellar space.
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D.
Magellan spacecraft
The Magellan spacecraft was a NASA robotic probe launched in 1989 that used radar mapping to produce the first detailed global images of the surface of Venus.
-
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 10 Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Voyager 2
Voyager 2 is a NASA space probe launched in 1977 that conducted historic flybys of all four outer giant planets and is now traveling through interstellar space.
-
D.
Magellan spacecraft
The Magellan spacecraft was a NASA robotic probe launched in 1989 that used radar mapping to produce the first detailed global images of the surface of Venus.
-
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 (52)
| Predicate | Object |
|---|---|
| instanceOf |
NASA spacecraft
ⓘ
space probe ⓘ |
| attitudeControl | three-axis stabilized ⓘ |
| communicationBand |
S-band
ⓘ
X-band ⓘ |
| COSPARId | 1973-085A ⓘ |
| discovered | Mercury has a global magnetic field ⓘ |
| endOfContactReason | depletion of attitude-control gas ⓘ |
| firstMercuryFlybyDate | 1974-03-29 ⓘ |
| firsts |
first spacecraft to use gravity-assist to reach another planet
ⓘ
first spacecraft to visit Mercury ⓘ |
| flyby |
Mercury
ⓘ
Venus ⓘ |
| gravityAssistFrom | Venus ⓘ |
| instrument |
charged particle telescope
ⓘ
imaging system ⓘ infrared radiometer ⓘ magnetometer ⓘ plasma science experiment ⓘ radio science experiment ⓘ ultraviolet spectrometer ⓘ |
| launchCountry |
United States of America
ⓘ
surface form:
United States
|
| launchDate | 1973-11-03 ⓘ |
| launchSite |
Cape Canaveral Space Force Station
ⓘ
surface form:
Cape Canaveral Air Force Station
Cape Canaveral ⓘ
surface form:
Cape Canaveral, Florida
|
| launchVehicle | Atlas-Centaur ⓘ |
| manufacturer | Jet Propulsion Laboratory ⓘ |
| massAtLaunch | approximately 503 kilograms ⓘ |
| missionEnd | 1975-03-24 ⓘ |
| missionObjective |
to study the atmosphere and environment of Venus
ⓘ
to study the surface and environment of Mercury ⓘ to test gravity-assist trajectory techniques ⓘ |
| missionStart | 1973-11-03 ⓘ |
| missionType | planetary flyby mission ⓘ |
| namedAfter | Ferdinand Magellan's ship Mariner conceptually via Mariner program ⓘ |
| NSSDCId | 1973-085A ⓘ |
| numberOfMercuryFlybys | 3 ⓘ |
| operator | NASA ⓘ |
| powerSource | solar panels ⓘ |
| precededBy | Mariner 9 ⓘ |
| program | Mariner program ⓘ |
| propulsion | monopropellant hydrazine system ⓘ |
| result | mapped about 45 percent of Mercury's surface ⓘ |
| secondMercuryFlybyDate | 1974-09-21 ⓘ |
| spacecraftBus | Mariner spacecraft bus ⓘ |
| spacecraftShape | hexagonal bus with solar panels ⓘ |
| status | mission complete ⓘ |
| successor | MESSENGER ⓘ |
| target |
Mercury
ⓘ
Venus ⓘ |
| thirdMercuryFlybyDate | 1975-03-16 ⓘ |
| venusFlybyDate | 1974-02-05 ⓘ |
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 10 Description of subject: 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.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Rupes (scarps) on Mercury
this entity surface form:
Mariner 10 spacecraft
this entity surface form:
Mariner 10 spacecraft