M3
E898944
M3 is a NASA-designed imaging spectrometer that flew on India's Chandrayaan-1 lunar mission to map the Moon’s surface mineralogy and detect water and hydroxyl signatures.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M3 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11001042 — 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: M3 Context triple: [Moon Mineralogy Mapper, acronym, M3]
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A.
M3
M3 is a major motorway in the United Kingdom that connects London to Southampton, serving as a key route through southern England.
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B.
M3
M3 is a boat line that operates as part of Geneva’s public transport network, providing passenger service across the city’s lake or waterways.
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C.
M3
M3 is one of the main lines of the Bucharest Metro rapid transit system, serving key residential and commercial areas of Romania’s capital.
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D.
M3
M3 is a circular line of the Copenhagen Metro that loops around the city center, connecting key districts and interchange stations.
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E.
M-3
M-3 is a designated highway route, commonly known by its short name M-3, within a regional or national road network.
- 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: M3 Target entity description: M3 is a NASA-designed imaging spectrometer that flew on India's Chandrayaan-1 lunar mission to map the Moon’s surface mineralogy and detect water and hydroxyl signatures.
-
A.
M3
M3 is a major motorway in the United Kingdom that connects London to Southampton, serving as a key route through southern England.
-
B.
M3
M3 is a boat line that operates as part of Geneva’s public transport network, providing passenger service across the city’s lake or waterways.
-
C.
M3
M3 is a circular line of the Copenhagen Metro that loops around the city center, connecting key districts and interchange stations.
-
D.
M3
M3 is one of the main lines of the Bucharest Metro rapid transit system, serving key residential and commercial areas of Romania’s capital.
-
E.
M-3
M-3 is a designated highway route, commonly known by its short name M-3, within a regional or national road network.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
imaging spectrometer
ⓘ
spaceborne instrument ⓘ |
| acronym | M3 ⓘ |
| collaboration |
NASA–ISRO cooperation on Chandrayaan-1
ⓘ
linked to:
Chandrayaan-1 payload suite
|
| contributedToDiscovery | water in sunlit regions of the Moon ⓘ |
| dataArchive | NASA Planetary Data System ⓘ |
| dataProduct |
global maps of lunar hydration signatures
ⓘ
lunar mineralogical maps ⓘ |
| dataUse |
resource prospecting for future lunar exploration
ⓘ
study of lunar impact processes ⓘ study of lunar volcanism ⓘ |
| designer | NASA ⓘ |
| developer |
NASA Jet Propulsion Laboratory
ⓘ
linked to:
Jet Propulsion Laboratory
|
| discovered |
evidence for water and hydroxyl in high-latitude lunar regions
ⓘ
widespread hydration on the lunar surface ⓘ |
| fieldOfStudy |
lunar geology
ⓘ
planetary science ⓘ spectroscopy ⓘ |
| fullName | Moon Mineralogy Mapper ⓘ |
| fundingAgency | NASA ⓘ |
| hostMissionCountry | India ⓘ |
| hostMissionOperator | Indian Space Research Organisation ⓘ |
| hostOrbit | lunar polar orbit ⓘ |
| keySpectralRegion | around 2.8–3.0 micrometres for water and hydroxyl detection ⓘ |
| launchAgencyOfHostMission | Indian Space Research Organisation ⓘ |
| missionType | remote sensing ⓘ |
| notableResult |
confirmation of hydration features in lunar highlands and maria
ⓘ
improved global mineralogical maps of the Moon ⓘ |
| observationMode | imaging spectroscopy ⓘ |
| operatedOnMission | Chandrayaan-1 ⓘ |
| operationalStatus | inactive ⓘ |
| platformType | orbiter instrument ⓘ |
| primaryTarget | Moon ⓘ |
| scientificObjective |
characterize lunar crustal composition
ⓘ
detect hydroxyl signatures on the Moon ⓘ detect water on the Moon ⓘ identify and map lunar mafic minerals ⓘ map lunar surface mineralogy ⓘ support selection of future lunar landing sites ⓘ |
| spacecraft | Chandrayaan-1 ⓘ |
| spectralRange | visible to near-infrared ⓘ |
| spectralRangeLowerLimit | approximately 0.43 micrometres ⓘ |
| spectralRangeUpperLimit | approximately 3.0 micrometres ⓘ |
| targetBody |
Earth's Moon
ⓘ
linked to:
the Moon
|
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: M3 Description of subject: M3 is a NASA-designed imaging spectrometer that flew on India's Chandrayaan-1 lunar mission to map the Moon’s surface mineralogy and detect water and hydroxyl signatures.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.