Luna 9
E151829
Luna 9 was a Soviet spacecraft that achieved the first successful soft landing on the Moon and transmitted the first close-up images of the lunar surface in 1966.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Luna 9 canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T1278434 — 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 9 Context triple: [Luna 10, precededBy, Luna 9]
-
A.
Luna 2
Luna 2 was a Soviet space probe that became the first human-made object to reach the Moon, marking a major milestone in early space exploration.
-
B.
Luna 1
Luna 1 was a Soviet spacecraft launched in 1959 that became the first human-made object to reach the vicinity of the Moon and enter a heliocentric orbit.
-
C.
Luna 3
Luna 3 was a Soviet spacecraft launched in 1959 that became the first mission to photograph the far side of the Moon.
-
D.
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.
-
E.
SLIM lunar lander
The SLIM lunar lander is a Japanese spacecraft designed by JAXA to demonstrate high-precision, lightweight landing technology on the Moon’s surface.
- 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 9 Target entity description: Luna 9 was a Soviet spacecraft that achieved the first successful soft landing on the Moon and transmitted the first close-up images of the lunar surface in 1966.
-
A.
Luna 2
Luna 2 was a Soviet space probe that became the first human-made object to reach the Moon, marking a major milestone in early space exploration.
-
B.
Luna 1
Luna 1 was a Soviet spacecraft launched in 1959 that became the first human-made object to reach the vicinity of the Moon and enter a heliocentric orbit.
-
C.
Luna 3
Luna 3 was a Soviet spacecraft launched in 1959 that became the first mission to photograph the far side of the Moon.
-
D.
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.
-
E.
SLIM lunar lander
The SLIM lunar lander is a Japanese spacecraft designed by JAXA to demonstrate high-precision, lightweight landing technology on the Moon’s surface.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
Soviet space probe
ⓘ
spacecraft ⓘ uncrewed lunar lander ⓘ |
| achievement |
first spacecraft to transmit close-up images of the lunar surface
ⓘ
first successful soft landing on the Moon ⓘ |
| communicationBand | radio frequencies ⓘ |
| confirmed |
absence of deep dust layer that would swallow spacecraft
ⓘ
bearing capacity of lunar surface sufficient for landers ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| designation | E-6 series spacecraft ⓘ |
| epoch | early robotic lunar exploration ⓘ |
| firstImageDate | 1966-02-04 ⓘ |
| followedBy | Luna 10 ⓘ |
| historicalSignificance |
major propaganda victory for the Soviet Union in the Space Race
ⓘ
milestone in robotic planetary landing technology ⓘ |
| imageSubject | lunar regolith at landing site ⓘ |
| imageTransmissionMethod | facsimile television system ⓘ |
| landingBody | Moon ⓘ |
| landingDate | 1966-02-03 ⓘ |
| landingSite | Oceanus Procellarum ⓘ |
| landingTechnique | airbag-assisted landing ⓘ |
| launchCountry | Soviet Union ⓘ |
| launchDate | 1966-01-31 ⓘ |
| launchSite | Baikonur Cosmodrome ⓘ |
| launchVehicle | Molniya-M rocket ⓘ |
| manufacturer |
Lavochkin design bureau
ⓘ
surface form:
Lavochkin Design Bureau
|
| missionDurationOnSurface | several days ⓘ |
| missionOutcome | success ⓘ |
| missionType |
lunar lander
ⓘ
planetary science mission ⓘ |
| notableFor |
demonstrating feasibility of soft landing on another celestial body
ⓘ
providing first in situ observations of lunar surface properties ⓘ |
| operator | Soviet Union ⓘ |
| powerSource | chemical batteries ⓘ |
| precededBy | Luna 8 ⓘ |
| program | Luna programme ⓘ |
| spaceAgency | Soviet space program ⓘ |
| spacecraftBus |
Ye-6 series lunar landers
ⓘ
surface form:
Luna E-6
|
| spaceRaceContext |
Cold War
ⓘ
Space Race ⓘ |
| targetBody | Moon ⓘ |
| transmittedDataType |
engineering data
ⓘ
television images ⓘ |
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 9 Description of subject: Luna 9 was a Soviet spacecraft that achieved the first successful soft landing on the Moon and transmitted the first close-up images of the lunar surface in 1966.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.