Spirit rover
E109433
Spirit rover was a NASA robotic exploration vehicle that conducted geological studies on the surface of Mars as part of the Mars Exploration Rover mission.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Mars Exploration Rover Spirit | 11 |
| Spirit rover canonical | 8 |
| Mars Exploration Rover – A | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T934005 — 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: Spirit rover Context triple: [Mars, exploredBy, Spirit rover]
-
A.
Curiosity rover
Curiosity rover is a NASA Mars rover designed to explore the Gale Crater, study the planet’s climate and geology, and assess whether Mars ever had environmental conditions suitable for microbial life.
-
B.
Perseverance rover
Perseverance rover is NASA's Mars rover designed to search for signs of ancient life, collect rock and soil samples, and test new technologies for future human exploration of the Red Planet.
-
C.
Mars Science Laboratory
Mars Science Laboratory is a NASA mission that delivered and operates the Curiosity rover to study Mars’s geology and climate and assess its past habitability.
-
D.
ChemCam
ChemCam is a laser-based remote sensing instrument on NASA's Curiosity Mars rover used to analyze the chemical composition of Martian rocks and soil.
-
E.
MAHLI
MAHLI is a high-resolution, focusable color camera on NASA's Curiosity rover used to capture detailed close-up images of Martian rocks, soil, and textures for geological analysis.
- 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: Spirit rover Target entity description: Spirit rover was a NASA robotic exploration vehicle that conducted geological studies on the surface of Mars as part of the Mars Exploration Rover mission.
-
A.
Curiosity rover
Curiosity rover is a NASA Mars rover designed to explore the Gale Crater, study the planet’s climate and geology, and assess whether Mars ever had environmental conditions suitable for microbial life.
-
B.
Perseverance rover
Perseverance rover is NASA's Mars rover designed to search for signs of ancient life, collect rock and soil samples, and test new technologies for future human exploration of the Red Planet.
-
C.
Mars Science Laboratory
Mars Science Laboratory is a NASA mission that delivered and operates the Curiosity rover to study Mars’s geology and climate and assess its past habitability.
-
D.
ChemCam
ChemCam is a laser-based remote sensing instrument on NASA's Curiosity Mars rover used to analyze the chemical composition of Martian rocks and soil.
-
E.
MAHLI
MAHLI is a high-resolution, focusable color camera on NASA's Curiosity rover used to capture detailed close-up images of Martian rocks, soil, and textures for geological analysis.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
Mars rover
ⓘ
NASA space probe ⓘ robotic spacecraft ⓘ |
| actualOperationalDuration | over 2200 Martian sols ⓘ |
| causeOfFailure | power loss due to dust and winter cold ⓘ |
| communicationSystem |
X-band
ⓘ
surface form:
X-band radio
|
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designLife | 90 Martian sols ⓘ |
| destination | Mars ⓘ |
| distanceTraveled | over 7.7 kilometers on Mars ⓘ |
| energyStorage | rechargeable batteries ⓘ |
| fullName |
Mars Exploration Rover mission
ⓘ
surface form:
Mars Exploration Rover – A
|
| height | 1.5 meters ⓘ |
| instrument |
X-ray Spectrometer
ⓘ
surface form:
Alpha Particle X-ray Spectrometer
Magnet Arrays ⓘ Microscopic Imager ⓘ Miniature Thermal Emission Spectrometer ⓘ Mössbauer Spectrometer ⓘ Navigation Camera ⓘ Panoramic Camera ⓘ Rock Abrasion Tool ⓘ |
| landingBody | Mars ⓘ |
| landingDate | 2004-01-04 ⓘ |
| landingRegion | Aeolis quadrangle ⓘ |
| landingSite |
Gusev crater
ⓘ
surface form:
Gusev Crater
|
| lastContactDate | 2010-03-22 ⓘ |
| launchContractor | Boeing ⓘ |
| launchCountry |
United States of America
ⓘ
surface form:
United States
|
| launchDate | 2003-06-10 ⓘ |
| launchSite | Cape Canaveral Air Force Station Space Launch Complex 17A ⓘ |
| launchVehicle |
Delta rocket
ⓘ
surface form:
Delta II 7925
|
| length | 1.6 meters ⓘ |
| massAtLaunch | about 1062 kilograms ⓘ |
| massOnSurface | about 185 kilograms ⓘ |
| maxSpeed | about 5 centimeters per second ⓘ |
| mission |
Mars Exploration Rover mission
ⓘ
surface form:
Mars Exploration Rover program
|
| missionEndDeclared | 2011-05-25 ⓘ |
| missionType |
geological exploration
ⓘ
planetary rover ⓘ |
| mobilitySystem | six-wheeled rocker-bogie suspension ⓘ |
| notableDiscovery | evidence of past water-related processes in Gusev Crater ⓘ |
| numberOfWheels | 6 ⓘ |
| operator | NASA ⓘ |
| powerSource | solar panels ⓘ |
| primaryObjective |
search for past water activity on Mars
ⓘ
study Martian geology ⓘ |
| program |
Mars Exploration Program
ⓘ
surface form:
NASA Mars Exploration Program
|
| reasonForMissionEnd | loss of communication ⓘ |
| relayVia |
Mars Global Surveyor
ⓘ
Mars Odyssey mission ⓘ
surface form:
Mars Odyssey
|
| spaceAgency |
Jet Propulsion Laboratory
ⓘ
surface form:
NASA Jet Propulsion Laboratory
|
| status | mission complete ⓘ |
| twinRover | Opportunity ⓘ |
| width | 2.3 meters ⓘ |
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: Spirit rover Description of subject: Spirit rover was a NASA robotic exploration vehicle that conducted geological studies on the surface of Mars as part of the Mars Exploration Rover mission.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Delta II
this entity surface form:
Mars Exploration Rover Spirit
subject surface form:
Husband Hill
subject surface form:
Husband Hill
this entity surface form:
Mars Exploration Rover – A
this entity surface form:
Mars Exploration Rover Spirit
this entity surface form:
Mars Exploration Rover Spirit
this entity surface form:
Mars Exploration Rover Spirit
this entity surface form:
Mars Exploration Rover Spirit
this entity surface form:
Mars Exploration Rover Spirit
this entity surface form:
Mars Exploration Rover Spirit
this entity surface form:
Mars Exploration Rover Spirit
this entity surface form:
Mars Exploration Rover Spirit
this entity surface form:
Mars Exploration Rover Spirit