Pragyan
E239150
Pragyan is the six-wheeled lunar rover of India’s Chandrayaan-3 mission, designed to explore and analyze the Moon’s south polar region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pragyan canonical | 5 |
| Pragyan rover | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2169342 — 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: Pragyan Context triple: [Chandrayaan-3, roverName, Pragyan]
-
A.
Savyasachi
Savyasachi is a celebrated epithet of the Mahabharata hero Arjuna, highlighting his legendary ambidextrous skill in archery and combat.
-
B.
Kalki
Kalki is the prophesied future incarnation of the Hindu god Vishnu who is foretold to appear at the end of the current age to restore righteousness and cosmic order.
-
C.
Shipra
Shipra is a sacred river in the Indian state of Madhya Pradesh, especially revered in Ujjain as a major Hindu pilgrimage site.
-
D.
Bhuwan Ribhu
Bhuwan Ribhu is an Indian child rights activist and lawyer known for his work against child labor and trafficking, closely associated with the Bachpan Bachao Andolan founded by Nobel laureate Kailash Satyarthi.
-
E.
Vikram
Vikram is a prominent Indian actor best known for his versatile and intense performances in Tamil-language films.
- 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: Pragyan Target entity description: Pragyan is the six-wheeled lunar rover of India’s Chandrayaan-3 mission, designed to explore and analyze the Moon’s south polar region.
-
A.
Savyasachi
Savyasachi is a celebrated epithet of the Mahabharata hero Arjuna, highlighting his legendary ambidextrous skill in archery and combat.
-
B.
Kalki
Kalki is the prophesied future incarnation of the Hindu god Vishnu who is foretold to appear at the end of the current age to restore righteousness and cosmic order.
-
C.
Shipra
Shipra is a sacred river in the Indian state of Madhya Pradesh, especially revered in Ujjain as a major Hindu pilgrimage site.
-
D.
Bhuwan Ribhu
Bhuwan Ribhu is an Indian child rights activist and lawyer known for his work against child labor and trafficking, closely associated with the Bachpan Bachao Andolan founded by Nobel laureate Kailash Satyarthi.
-
E.
Vikram
Vikram is a prominent Indian actor best known for his versatile and intense performances in Tamil-language films.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
lunar rover
ⓘ
spacecraft component ⓘ |
| achievement |
first Indian rover to operate on the Moon
ⓘ
part of first successful soft landing of India on the Moon ⓘ |
| communicationMode | relay via Vikram lander ⓘ |
| countryOfOrigin | India ⓘ |
| dataRelay | Vikram lander to Earth tracking stations ⓘ |
| deploymentBody | Vikram ⓘ |
| deploymentDate | 2023-08-23 ⓘ |
| deploymentLocation | Moon ⓘ |
| deploymentRegion | lunar south polar region ⓘ |
| designedForEnvironment | lunar day operations ⓘ |
| explorationBody | Moon ⓘ |
| intendedLifetime |
about 14 Earth days
ⓘ
one lunar day ⓘ |
| landingSiteBody | Moon ⓘ |
| landingSiteRegion | near lunar south pole ⓘ |
| landingSiteVehicle |
lander Vikram
ⓘ
surface form:
Vikram lander
|
| launchCountry | India ⓘ |
| launchDate | 2023-07-14 ⓘ |
| launchSite |
SHAR
ⓘ
surface form:
SDSC SHAR
Satish Dhawan Space Centre ⓘ |
| launchVehicle |
LVM3
ⓘ
surface form:
LVM3 M4
|
| missionAgency | Indian Space Research Organisation ⓘ |
| missionPhase | surface operations ⓘ |
| missionStatus | completed ⓘ |
| missionType | lunar exploration ⓘ |
| mobilityType | wheeled rover ⓘ |
| nameLanguage | Sanskrit ⓘ |
| nameMeaning | wisdom ⓘ |
| numberOfWheels | 6 ⓘ |
| operator |
Indian Space Research Organisation
ⓘ
surface form:
ISRO
Indian Space Research Organisation ⓘ |
| partOfMission | Chandrayaan-3 ⓘ |
| powerSource | solar power ⓘ |
| primaryObjective |
exploration of Moon’s south polar region
ⓘ
in-situ analysis of lunar surface ⓘ study of lunar regolith composition ⓘ |
| programAffiliation |
Indian Lunar Exploration Programme
ⓘ
surface form:
Chandrayaan programme
|
| propulsionType | electric motor drive ⓘ |
| scientificInstrument |
APXS
ⓘ
X-ray Spectrometer ⓘ
surface form:
Alpha Particle X-ray Spectrometer
LIBS ⓘ Laser Induced Breakdown Spectroscope ⓘ |
| spacecraftBus |
Chandrayaan-3
ⓘ
surface form:
Chandrayaan-3 lander Vikram
|
| spaceProgram | Indian Lunar Exploration Programme ⓘ |
| targetRegion | lunar south polar highlands ⓘ |
| terrainCapability | lunar regolith ⓘ |
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: Pragyan Description of subject: Pragyan is the six-wheeled lunar rover of India’s Chandrayaan-3 mission, designed to explore and analyze the Moon’s south polar region.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pragyan rover
subject surface form:
Vikram
subject surface form:
Vikram (Chandrayaan-3 lander)
this entity surface form:
Pragyan rover
subject surface form:
Chandrayaan-2
subject surface form:
Chandrayaan-3