Venera 4
E477172
Venera 4 was a Soviet space probe that became the first spacecraft to successfully enter another planet’s atmosphere and transmit in-situ data, specifically from Venus, in 1967.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Venera 4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4780820 — 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 4 Context triple: [Venera missions, spacecraftSeries, Venera 4]
-
A.
Venera 3
Venera 3 was a Soviet space probe that became the first human-made object to impact the surface of another planet, Venus, in 1966.
-
B.
Venera 2
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.
-
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.
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.
-
E.
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.
- 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 4 Target entity description: Venera 4 was a Soviet space probe that became the first spacecraft to successfully enter another planet’s atmosphere and transmit in-situ data, specifically from Venus, in 1967.
-
A.
Venera 3
Venera 3 was a Soviet space probe that became the first human-made object to impact the surface of another planet, Venus, in 1966.
-
B.
Venera 2
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.
-
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.
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.
-
E.
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.
- F. None of above. chosen
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
Soviet spacecraft
ⓘ
Venus probe ⓘ planetary probe ⓘ space probe ⓘ |
| atmosphericCompositionMeasured |
high concentration of carbon dioxide
ⓘ
small amounts of nitrogen ⓘ |
| atmosphericEntryDate | 1967-10-18 ⓘ |
| atmosphericEntryTarget | Venus atmosphere NERFINISHED ⓘ |
| carriedInstrument |
barometer
ⓘ
cosmic-ray detectors ⓘ gas analyzer ⓘ hygrometer ⓘ ion trap ⓘ ionization gauge ⓘ magnetometer ⓘ radio altimeter ⓘ solar wind detectors ⓘ thermometer ⓘ |
| communication | transmitted data from within Venus atmosphere ⓘ |
| cosparId | 1967-058A ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| endOfMission | 1967-10-18 ⓘ |
| endOfMissionReason | crushed by high pressure in Venus atmosphere ⓘ |
| first |
first spacecraft to successfully enter another planet’s atmosphere and transmit in-situ data
ⓘ
first successful in-situ atmospheric probe at Venus ⓘ |
| heatShield | ablative heat shield for Venus entry ⓘ |
| landingModuleMass | 383 kg ⓘ |
| launchDate | 1967-06-12 ⓘ |
| launchSite |
Baikonur Cosmodrome
NERFINISHED
ⓘ
Baikonur Cosmodrome Site 1/5 NERFINISHED ⓘ |
| launchVehicle | Molniya-M rocket NERFINISHED ⓘ |
| manufacturer | Lavochkin Design Bureau NERFINISHED ⓘ |
| mass | 1106 kg ⓘ |
| missionObjective |
measure composition of the atmosphere of Venus
ⓘ
measure temperature and pressure in the atmosphere of Venus ⓘ study Venus ionosphere ⓘ study the atmosphere of Venus in situ ⓘ |
| missionType |
atmospheric probe
ⓘ
planetary science mission ⓘ |
| nssdcId | 1967-058A ⓘ |
| operator | Soviet space program NERFINISHED ⓘ |
| parachuteSystem | deceleration parachutes for atmospheric descent ⓘ |
| periapsisAltitude | approximately 55 km above Venus surface at last transmission ⓘ |
| powerSource |
batteries
ⓘ
solar panels ⓘ |
| pressureMeasured | at least 18 bar ⓘ |
| program | Venera program NERFINISHED ⓘ |
| relatedMission |
Venera 1
NERFINISHED
ⓘ
Venera 2 NERFINISHED ⓘ Venera 3 NERFINISHED ⓘ Venera 5 NERFINISHED ⓘ Venera 6 NERFINISHED ⓘ |
| shape | cylindrical descent capsule with spherical top ⓘ |
| spacecraftBus | 3MV-1 NERFINISHED ⓘ |
| target | Venus NERFINISHED ⓘ |
| temperatureMeasured | at least 262 °C ⓘ |
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 4 Description of subject: Venera 4 was a Soviet space probe that became the first spacecraft to successfully enter another planet’s atmosphere and transmit in-situ data, specifically from Venus, in 1967.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.