Venera 1
E470755
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Venera 1 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4780817 — 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 1 Context triple: [Venera missions, spacecraftSeries, Venera 1]
-
A.
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.
-
B.
Venera 9
Venera 9 was a Soviet spacecraft that became the first human-made probe to successfully return images from the surface of Venus.
-
C.
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.
-
D.
Viking 1
Viking 1 was a NASA spacecraft that became the first successful lander on Mars, conducting detailed imaging and scientific experiments on the Martian surface starting in 1976.
-
E.
Luna 9
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.
- 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 1 Target entity description: 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.
-
A.
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.
-
B.
Venera 9
Venera 9 was a Soviet spacecraft that became the first human-made probe to successfully return images from the surface of Venus.
-
C.
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.
-
D.
Viking 1
Viking 1 was a NASA spacecraft that became the first successful lander on Mars, conducting detailed imaging and scientific experiments on the Martian surface starting in 1976.
-
E.
Luna 9
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
interplanetary probe
ⓘ
space probe ⓘ uncrewed spacecraft ⓘ |
| aphelionDistance_AU | approximately 1.08 ⓘ |
| closestApproachDistanceToVenus_km | approximately 100000 ⓘ |
| closestApproachTarget | Venus ⓘ |
| communicationBand | decimetric band ⓘ |
| communicationLost | 1961-02-19 ⓘ |
| communicationLostDistanceFromEarth_million_km | approximately 2 ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| epochOfVenusFlyby | 1961-05-19 ⓘ |
| firstOf |
first interplanetary probe launched by the Soviet Union
ⓘ
first spacecraft to fly by Venus ⓘ |
| hasInstrument |
Geiger counter
ⓘ
ion traps ⓘ magnetometer ⓘ micrometeorite detector ⓘ scintillation counter ⓘ solar plasma detector ⓘ television system (for Venus imaging) ⓘ |
| inclinationToEcliptic_deg | approximately 0.3 ⓘ |
| launchDate | 1961-02-12 ⓘ |
| launchSite |
Baikonur Cosmodrome
ⓘ
Baikonur Cosmodrome Site 1/5 ⓘ
linked to:
Baikonur Cosmodrome
|
| launchVehicle |
Molniya rocket
ⓘ
linked to:
Molniya-M rocket
|
| launchYear | 1961 ⓘ |
| missionObjective |
flyby of Venus
ⓘ
study Venus environment ⓘ study interplanetary space ⓘ |
| missionResult |
performed first Venus flyby but returned no data from encounter
ⓘ
provided early data on interplanetary space before loss of contact ⓘ |
| missionType |
Venus flyby
ⓘ
planetary flyby ⓘ |
| operator | Soviet space program ⓘ |
| perihelionDistance_AU | approximately 0.71 ⓘ |
| powerSource |
chemical batteries
ⓘ
solar panels ⓘ |
| predecessor | Luna series spacecraft (technology heritage) ⓘ |
| program |
Venera program
ⓘ
linked to:
Venera missions
|
| programRole | early milestone in planetary exploration ⓘ |
| shape | cylindrical body with solar panels ⓘ |
| spacecraftBus | Venera-type bus ⓘ |
| spacecraftMass_kg | approximately 643 ⓘ |
| stabilization | spin-stabilized ⓘ |
| status | contact lost ⓘ |
| successor | Venera 2 ⓘ |
| target | Venus ⓘ |
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 1 Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.