Luna 25
E822843
Luna 25 is a Russian lunar lander mission aimed at conducting scientific research and demonstrating landing technology near the Moon’s south polar region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Luna 25 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9808341 — 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: Luna 25 Context triple: [lunar south polar region, isTargetOfMission, Luna 25]
-
A.
Luna 20
Luna 20 was a Soviet robotic lunar sample-return mission that successfully collected and returned soil from the Moon’s surface in 1972.
-
B.
Luna 10
Luna 10 was a Soviet spacecraft that became the first artificial satellite to orbit the Moon, marking a major milestone in early lunar exploration.
-
C.
Luna 14
Luna 14 was a Soviet robotic spacecraft launched in 1968 to study the Moon’s gravitational field and test tracking and communication systems for future lunar missions.
-
D.
Luna 24
Luna 24 was a Soviet lunar sample-return mission launched in 1976 that successfully collected and brought back soil from the Moon’s surface.
-
E.
Luna 11
Luna 11 was a Soviet unmanned spacecraft from the Luna program, launched in 1966 to study the Moon from lunar orbit.
- 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: Luna 25 Target entity description: Luna 25 is a Russian lunar lander mission aimed at conducting scientific research and demonstrating landing technology near the Moon’s south polar region.
-
A.
Luna 20
Luna 20 was a Soviet robotic lunar sample-return mission that successfully collected and returned soil from the Moon’s surface in 1972.
-
B.
Luna 10
Luna 10 was a Soviet spacecraft that became the first artificial satellite to orbit the Moon, marking a major milestone in early lunar exploration.
-
C.
Luna 14
Luna 14 was a Soviet robotic spacecraft launched in 1968 to study the Moon’s gravitational field and test tracking and communication systems for future lunar missions.
-
D.
Luna 24
Luna 24 was a Soviet lunar sample-return mission launched in 1976 that successfully collected and brought back soil from the Moon’s surface.
-
E.
Luna 11
Luna 11 was a Soviet unmanned spacecraft from the Luna program, launched in 1966 to study the Moon from lunar orbit.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
lunar lander
ⓘ
lunar mission ⓘ uncrewed spacecraft ⓘ |
| attitudeControl | reaction control thrusters ⓘ |
| belongsTo | Russian lunar exploration program NERFINISHED ⓘ |
| communicationBand | X-band ⓘ |
| countryOfOrigin | Russia ⓘ |
| epochGapSincePreviousLunaMission | about 47 years ⓘ |
| failureCause | anomalous engine burn during pre-landing orbit maneuver ⓘ |
| failureDate | 2023-08-19 ⓘ |
| failureEvent | crash on lunar surface ⓘ |
| guidanceSystem | autonomous landing guidance ⓘ |
| intendedMissionDuration | at least 1 year on lunar surface ⓘ |
| isFirstOf | first Russian lunar mission since Luna 24 ⓘ |
| launchCountry | Russia NERFINISHED ⓘ |
| launchDate | 2023-08-11 ⓘ |
| launchSite | Vostochny Cosmodrome NERFINISHED ⓘ |
| launchVehicle | Soyuz-2.1b NERFINISHED ⓘ |
| massClass | light lunar lander ⓘ |
| missionObjective |
demonstration of landing technology
ⓘ
scientific research on the Moon ⓘ |
| missionType | lunar lander mission ⓘ |
| navigationMethod | terrain-relative navigation ⓘ |
| operator | Roscosmos NERFINISHED ⓘ |
| plannedLandingSite | Boguslawsky crater region NERFINISHED ⓘ |
| powerSource | solar panels ⓘ |
| predecessorProgram | Soviet Luna program NERFINISHED ⓘ |
| previousLunaMission | Luna 24 NERFINISHED ⓘ |
| previousLunaMissionLaunchYear | 1976 ⓘ |
| primaryScienceGoal |
characterize exosphere and dust environment
ⓘ
search for volatile compounds ⓘ study lunar regolith near south pole ⓘ |
| program | Luna-Glob program NERFINISHED ⓘ |
| propulsionType | chemical propulsion ⓘ |
| scientificDiscipline |
lunar geology
ⓘ
planetary science ⓘ space plasma physics ⓘ |
| scientificInstruments |
cameras
ⓘ
dust and plasma instruments ⓘ gamma-ray and neutron spectrometer ⓘ laser mass spectrometer ⓘ |
| spaceAgency | Roscosmos NERFINISHED ⓘ |
| spacecraftBus | Luna-Glob lander NERFINISHED ⓘ |
| spacecraftType | lander only ⓘ |
| status | mission failed ⓘ |
| targetBody | Moon NERFINISHED ⓘ |
| targetRegion | Moon south polar region ⓘ |
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: Luna 25 Description of subject: Luna 25 is a Russian lunar lander mission aimed at conducting scientific research and demonstrating landing technology near the Moon’s south polar region.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.