Opportunity
E396674
Opportunity was a NASA robotic rover that explored the surface of Mars, significantly extending its planned mission and providing key insights into the planet’s geology and past presence of water.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Opportunity canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T3894305 — 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: Opportunity Context triple: [Mars Exploration Rover mission, hasComponent, Opportunity]
-
A.
Opportunity
Opportunity is one of the three main subthemes of Expo 2020, focusing on unlocking the potential of individuals and communities to shape a better future.
-
B.
The Opportunity
The Opportunity is a Caroline-era stage comedy by English dramatist James Shirley, known for its intricate plotting and witty exploration of love and social ambition.
-
C.
Opportunitas
Opportunitas is the Latin motto of Pace University, emphasizing opportunity and access to education.
-
D.
Missions of Opportunity
Missions of Opportunity are competitively selected, relatively low-cost NASA astrophysics projects that leverage existing or planned space missions or facilities to conduct focused scientific investigations.
-
E.
Prospect
Prospect is a 2018 science fiction film in which Pedro Pascal stars as a mercenary on a dangerous mission to harvest valuable gems on a toxic alien moon.
- 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: Opportunity Target entity description: Opportunity was a NASA robotic rover that explored the surface of Mars, significantly extending its planned mission and providing key insights into the planet’s geology and past presence of water.
-
A.
Opportunity
Opportunity is one of the three main subthemes of Expo 2020, focusing on unlocking the potential of individuals and communities to shape a better future.
-
B.
The Opportunity
The Opportunity is a Caroline-era stage comedy by English dramatist James Shirley, known for its intricate plotting and witty exploration of love and social ambition.
-
C.
Opportunitas
Opportunitas is the Latin motto of Pace University, emphasizing opportunity and access to education.
-
D.
Missions of Opportunity
Missions of Opportunity are competitively selected, relatively low-cost NASA astrophysics projects that leverage existing or planned space missions or facilities to conduct focused scientific investigations.
-
E.
Prospect
Prospect is a 2018 science fiction film in which Pedro Pascal stars as a mercenary on a dangerous mission to harvest valuable gems on a toxic alien moon.
- F. None of above. chosen
Statements (59)
| Predicate | Object |
|---|---|
| instanceOf |
Mars rover
ⓘ
NASA space probe ⓘ robotic spacecraft ⓘ |
| actualMissionDuration |
5111 sols
ⓘ
about 14.5 Earth years ⓘ |
| alsoKnownAs |
MER-1
ⓘ
MER-B ⓘ Opportunity rover ⓘ
surface form:
MER-B Opportunity
|
| communicationSystem |
UHF relay via Mars orbiters
ⓘ
X-band high-gain antenna ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| discoveredEvidenceOf | past liquid water on Mars ⓘ |
| distanceTraveled |
about 28.06 miles
ⓘ
about 45.16 kilometers ⓘ |
| exploredFeature |
Eagle Crater
ⓘ
Endeavour Crater ⓘ Endurance Crater ⓘ Victoria Crater ⓘ |
| foundMineral | hematite-bearing spherules ("blueberries") ⓘ |
| height | 1.5 meters ⓘ |
| instrument |
APXS (Alpha Particle X-ray Spectrometer)
ⓘ
surface form:
Alpha Particle X-ray Spectrometer
Hazard Avoidance Cameras ⓘ Microscopic Imager ⓘ Miniature Thermal Emission Spectrometer ⓘ Mössbauer Spectrometer ⓘ Navigation Cameras ⓘ Panoramic Camera ⓘ Rock Abrasion Tool ⓘ |
| landingDate | 2004-01-25 ⓘ |
| landingRegion |
Utopia Planitia
ⓘ
surface form:
Terra Meridiani
|
| landingSite | Meridiani Planum ⓘ |
| lastContactDate | 2018-06-10 ⓘ |
| launchDate | 2003-07-08 ⓘ |
| launchSite | Cape Canaveral Air Force Station Space Launch Complex 17B ⓘ |
| launchVehicle |
Delta rocket
ⓘ
surface form:
Delta II 7925H
|
| length | 1.6 meters ⓘ |
| managedBy | Jet Propulsion Laboratory ⓘ |
| manufacturer | Jet Propulsion Laboratory ⓘ |
| mass | about 185 kilograms ⓘ |
| missionEndDeclared | 2019-02-13 ⓘ |
| missionType |
Mars surface exploration
ⓘ
planetary rover ⓘ |
| notableEvent |
lost contact during a 2018 global dust storm on Mars
ⓘ
survived multiple global and regional Martian dust storms ⓘ |
| numberOfWheels | 6 ⓘ |
| officialName |
Opportunity rover
ⓘ
surface form:
Mars Exploration Rover – B
|
| operator | NASA ⓘ |
| partOf |
Mars Exploration Rover mission
ⓘ
surface form:
Mars Exploration Rover program
|
| powerSource | solar panels ⓘ |
| primaryMissionDuration | 90 sols ⓘ |
| program |
Mars Exploration Rover mission
ⓘ
surface form:
Mars Exploration Rover program
|
| recordHeld | longest distance driven on another world by a wheeled vehicle ⓘ |
| scientificObjective |
search for evidence of past water activity on Mars
ⓘ
study Martian rocks and soils ⓘ |
| spaceAgency | NASA ⓘ |
| spacecraftType | Mars lander and rover ⓘ |
| targetBody | Mars ⓘ |
| wheelConfiguration | rocker-bogie suspension ⓘ |
| 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: Opportunity Description of subject: Opportunity was a NASA robotic rover that explored the surface of Mars, significantly extending its planned mission and providing key insights into the planet’s geology and past presence of water.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Spirit