Mars 3
E301850
Mars 3 was a Soviet spacecraft that became the first spacecraft to achieve a soft landing on Mars, though it failed shortly after touchdown.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Mars 3 canonical | 1 |
| Mars 3 lander | 1 |
| Mars 3 orbiter | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2779895 — 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: Mars 3 Context triple: [Soviet space program, launched, Mars 3]
-
A.
Venera 9
Venera 9 was a Soviet spacecraft that became the first human-made probe to successfully return images from the surface of Venus.
-
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.
Viking 2
Viking 2 was a NASA spacecraft and lander that conducted scientific investigations on the surface of Mars as part of the Viking program in the 1970s.
-
D.
Mariner 4
Mariner 4 was a NASA spacecraft that performed the first successful flyby of Mars in 1965, returning the first close-up images of another planet.
-
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: Mars 3 Target entity description: Mars 3 was a Soviet spacecraft that became the first spacecraft to achieve a soft landing on Mars, though it failed shortly after touchdown.
-
A.
Venera 9
Venera 9 was a Soviet spacecraft that became the first human-made probe to successfully return images from the surface of Venus.
-
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.
Viking 2
Viking 2 was a NASA spacecraft and lander that conducted scientific investigations on the surface of Mars as part of the Viking program in the 1970s.
-
D.
Mariner 4
Mariner 4 was a NASA spacecraft that performed the first successful flyby of Mars in 1965, returning the first close-up images of another planet.
-
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 (46)
| Predicate | Object |
|---|---|
| instanceOf |
Mars lander
ⓘ
interplanetary probe ⓘ spacecraft ⓘ |
| achievement | first spacecraft to achieve a soft landing on Mars ⓘ |
| communicationAfterLanding | lost shortly after touchdown ⓘ |
| component |
Mars 3 lander
ⓘ
linked to:
Mars 3
Mars 3 orbiter ⓘ
linked to:
Mars 3
|
| countryOfOrigin | Soviet Union ⓘ |
| destination | Mars ⓘ |
| era | early 1970s space exploration ⓘ |
| followedBy | Mars 4 ⓘ |
| historicalSignificance | first human-made object to perform a soft landing on Mars ⓘ |
| landerMass | approximately 1210 kilograms ⓘ |
| landingBody | Mars ⓘ |
| landingDate | 1971-12-02 ⓘ |
| landingSite | Mare Sirenum region of Mars ⓘ |
| landingType | soft landing ⓘ |
| launchCountry | Soviet Union ⓘ |
| launchDate | 1971-05-28 ⓘ |
| launchSite | Baikonur Cosmodrome ⓘ |
| launchVehicle |
Proton-K rocket
ⓘ
linked to:
Proton rocket
|
| missionType |
Mars lander
ⓘ
Mars orbiter ⓘ |
| objective |
obtain images of Mars
ⓘ
study Martian atmosphere ⓘ study Martian surface ⓘ |
| operator | Soviet space program ⓘ |
| orbiterFunction |
communications relay for lander
ⓘ
scientific observations from Mars orbit ⓘ |
| orbiterMass | approximately 2265 kilograms ⓘ |
| powerSource |
batteries on lander
ⓘ
solar panels on orbiter ⓘ |
| precededBy | Mars 2 ⓘ |
| program |
Mars program
ⓘ
linked to:
Mars Exploration Program
|
| propulsion | chemical propulsion system ⓘ |
| relatedMission |
Mars 2
ⓘ
Mars 4 ⓘ Mars 5 ⓘ Mars 6 ⓘ Mars 7 ⓘ |
| spaceAgency | Soviet Academy of Sciences ⓘ |
| spacecraftBus | Soviet Mars probe bus of early 1970s ⓘ |
| spaceRaceContext | Cold War space race between Soviet Union and United States ⓘ |
| statusAfterLanding | failed shortly after touchdown ⓘ |
| surfaceOperationDuration | less than a minute ⓘ |
| telemetryBand | radio communications ⓘ |
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: Mars 3 Description of subject: Mars 3 was a Soviet spacecraft that became the first spacecraft to achieve a soft landing on Mars, though it failed shortly after touchdown.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.