Venera 2
E471830
Venera 2 was a Soviet space probe launched in 1965 as part of the Venera program, intended to conduct a flyby of Venus but lost communication before returning scientific data.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Venera 2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4780818 — 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: Venera 2 Context triple: [Venera missions, spacecraftSeries, Venera 2]
-
A.
Venera 1
Venera 1 was a Soviet interplanetary probe launched in 1961, notable as the first spacecraft to fly by Venus and an early milestone in planetary exploration.
-
B.
Venera 7
Venera 7 was a Soviet spacecraft notable for being the first human-made probe to successfully land on another planet and transmit data back to Earth, achieving this milestone on Venus in 1970.
-
C.
Venera 9
Venera 9 was a Soviet spacecraft that became the first human-made probe to successfully return images from the surface of Venus.
-
D.
Mariner 2
Mariner 2 was a NASA space probe launched in 1962 that became the first successful mission to conduct a close-up flyby and scientific study of Venus.
-
E.
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.
- 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: Venera 2 Target entity description: Venera 2 was a Soviet space probe launched in 1965 as part of the Venera program, intended to conduct a flyby of Venus but lost communication before returning scientific data.
-
A.
Venera 1
Venera 1 was a Soviet interplanetary probe launched in 1961, notable as the first spacecraft to fly by Venus and an early milestone in planetary exploration.
-
B.
Venera 7
Venera 7 was a Soviet spacecraft notable for being the first human-made probe to successfully land on another planet and transmit data back to Earth, achieving this milestone on Venus in 1970.
-
C.
Venera 9
Venera 9 was a Soviet spacecraft that became the first human-made probe to successfully return images from the surface of Venus.
-
D.
Mariner 2
Mariner 2 was a NASA space probe launched in 1962 that became the first successful mission to conduct a close-up flyby and scientific study of Venus.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Venus probe
ⓘ
planetary probe ⓘ space probe ⓘ uncrewed spacecraft ⓘ |
| closestApproachDate | 1966-02-27 ⓘ |
| closestApproachTarget | Venus NERFINISHED ⓘ |
| communicationLostDuring | Venus flyby ⓘ |
| communicationStatus | lost ⓘ |
| COSPAR ID | 1965-091A ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| designer | Sergei Korolev NERFINISHED ⓘ |
| epoch | Space Race NERFINISHED ⓘ |
| failureCause | overheating of spacecraft systems ⓘ |
| failurePhase | cruise to Venus ⓘ |
| intendedScienceTarget |
Venusian atmosphere
ⓘ
cosmic rays ⓘ interplanetary medium ⓘ solar wind ⓘ |
| launchCountry | Soviet Union NERFINISHED ⓘ |
| launchDate | 1965-11-12 ⓘ |
| launchSite | Baikonur Cosmodrome NERFINISHED ⓘ |
| launchVehicle | Molniya-M NERFINISHED ⓘ |
| lostContactBefore | transmitting Venus flyby data ⓘ |
| manufacturer | OKB-1 NERFINISHED ⓘ |
| missionDurationUntilContactLost | about 3.5 months ⓘ |
| missionOutcome | failure ⓘ |
| missionType | flyby ⓘ |
| onboardInstruments |
cosmic-ray detectors
ⓘ
infrared radiometer ⓘ magnetometer ⓘ micrometeoroid detectors ⓘ solar-plasma detectors ⓘ television imaging system ⓘ ultraviolet spectrometer ⓘ |
| operator | Soviet Union NERFINISHED ⓘ |
| partOf | early Soviet interplanetary exploration ⓘ |
| powerSource | solar panels ⓘ |
| primaryObjective |
measure space environment en route to Venus
ⓘ
obtain scientific data on Venusian atmosphere ⓘ study Venus during flyby ⓘ |
| program | Venera program NERFINISHED ⓘ |
| relatedMission |
Venera 1
NERFINISHED
ⓘ
Venera 3 NERFINISHED ⓘ |
| SATCAT number | 01899 ⓘ |
| scientificDataReturned | no ⓘ |
| spaceAgency | Soviet space program NERFINISHED ⓘ |
| spacecraftBus | 3MV NERFINISHED ⓘ |
| target | Venus NERFINISHED ⓘ |
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: Venera 2 Description of subject: Venera 2 was a Soviet space probe launched in 1965 as part of the Venera program, intended to conduct a flyby of Venus but lost communication before returning scientific data.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.