Cluster mission
E60205
The Cluster mission is a European Space Agency project consisting of four identical spacecraft flying in formation to study Earth's magnetosphere and its interaction with the solar wind in three dimensions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cluster mission canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T483122 — 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: Cluster mission Context triple: [Max Planck Institute for Solar System Research, participatedIn, Cluster mission]
-
A.
MICROSCOPE satellite mission
The MICROSCOPE satellite mission was a French-led space experiment designed to test the validity of Einstein’s equivalence principle with unprecedented precision by comparing the free fall of different materials in orbit.
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B.
International Space Station program
The International Space Station program is a multinational collaborative effort to design, build, and operate a permanently crewed orbital research laboratory in low Earth orbit.
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C.
Kepler Track
The Kepler Track is a renowned multi-day Great Walk in New Zealand, offering alpine and lakeside scenery in the Fiordland region of the South Island.
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D.
NASA Science Mission Directorate
The NASA Science Mission Directorate is the division of NASA responsible for planning and overseeing the agency’s science programs and missions that explore Earth, the solar system, and the universe.
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E.
MiriadaX
MiriadaX is an online learning platform that provides Spanish-language massive open online courses (MOOCs) from universities and educational institutions across the Ibero-American region.
- 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: Cluster mission Target entity description: The Cluster mission is a European Space Agency project consisting of four identical spacecraft flying in formation to study Earth's magnetosphere and its interaction with the solar wind in three dimensions.
-
A.
MICROSCOPE satellite mission
The MICROSCOPE satellite mission was a French-led space experiment designed to test the validity of Einstein’s equivalence principle with unprecedented precision by comparing the free fall of different materials in orbit.
-
B.
International Space Station program
The International Space Station program is a multinational collaborative effort to design, build, and operate a permanently crewed orbital research laboratory in low Earth orbit.
-
C.
Kepler Track
The Kepler Track is a renowned multi-day Great Walk in New Zealand, offering alpine and lakeside scenery in the Fiordland region of the South Island.
-
D.
NASA Science Mission Directorate
The NASA Science Mission Directorate is the division of NASA responsible for planning and overseeing the agency’s science programs and missions that explore Earth, the solar system, and the universe.
-
E.
MiriadaX
MiriadaX is an online learning platform that provides Spanish-language massive open online courses (MOOCs) from universities and educational institutions across the Ibero-American region.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
European Space Agency mission
ⓘ
scientific satellite mission ⓘ space mission ⓘ |
| alsoKnownAs |
Cluster
ⓘ
Cluster II ⓘ |
| contributedTo |
understanding of magnetic reconnection
ⓘ
understanding of particle acceleration in the magnetosphere ⓘ understanding of turbulence in space plasmas ⓘ |
| countryOfOperator | Europe ⓘ |
| dataType |
electric field measurements
ⓘ
energetic particle measurements ⓘ in-situ plasma measurements ⓘ magnetic field measurements ⓘ |
| dimensionOfStudy | three-dimensional ⓘ |
| focusRegion | near-Earth space environment ⓘ |
| hasComponent |
Cluster Rumba spacecraft
ⓘ
Cluster Salsa spacecraft ⓘ Cluster Samba spacecraft ⓘ Cluster Tango spacecraft ⓘ |
| launchDate | 2000-07-16 ⓘ |
| launchSite | Baikonur Cosmodrome ⓘ |
| launchVehicle | Soyuz-Fregat ⓘ |
| missionProfile | multi-spacecraft formation flight ⓘ |
| observationMode | simultaneous multi-point measurements ⓘ |
| operator | European Space Agency ⓘ |
| orbitType | highly elliptical Earth orbit ⓘ |
| primaryObjective |
study Earth’s magnetosphere
ⓘ
study interaction between solar wind and Earth’s magnetosphere ⓘ |
| scientificDiscipline |
heliophysics
ⓘ
space plasma physics ⓘ |
| scientificInstrumentType |
electric field instrument
ⓘ
magnetometer ⓘ plasma analyser ⓘ wave experiment ⓘ |
| spaceAgencyProgram | ESA Science Programme ⓘ |
| spacecraftBus | spin-stabilised spacecraft ⓘ |
| spacecraftFormation | tetrahedral formation ⓘ |
| spacecraftName |
Rumba
ⓘ
Salsa ⓘ Samba ⓘ tango ⓘ
surface form:
Tango
|
| studies |
Earth’s magnetosphere
ⓘ
auroral regions ⓘ bow shock ⓘ magnetosheath ⓘ magnetotail ⓘ solar wind ⓘ |
| targetBody | Earth ⓘ |
| uses | four identical spacecraft ⓘ |
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: Cluster mission Description of subject: The Cluster mission is a European Space Agency project consisting of four identical spacecraft flying in formation to study Earth's magnetosphere and its interaction with the solar wind in three dimensions.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.