Mars Descent Imager
E410466
Mars Descent Imager is a camera system on NASA's Curiosity rover designed to capture high-resolution video of the Martian surface during the rover’s descent and landing.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mars Descent Imager canonical | 2 |
| MARDI (Mars Descent Imager) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4066112 — 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 Descent Imager Context triple: [MARDI, fullName, Mars Descent Imager]
-
A.
Mars Environmental Dynamics Analyzer
The Mars Environmental Dynamics Analyzer is a suite of weather instruments aboard NASA's Perseverance rover that measures atmospheric conditions and dust on the Martian surface.
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B.
Mars Colour Camera
The Mars Colour Camera is an imaging instrument aboard India's Mars Orbiter Mission designed to capture color photographs of Mars’ surface and its surroundings.
-
C.
Mastcam
Mastcam is the main color imaging camera system on NASA's Curiosity Mars rover, used to capture high-resolution photos and videos of the Martian surface for scientific analysis and mission navigation.
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D.
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.
-
E.
Miniature Thermal Emission Spectrometer
The Miniature Thermal Emission Spectrometer is a compact infrared instrument used on NASA’s Mars Exploration Rovers to analyze the mineral composition and thermal properties of Martian rocks and soil.
- 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 Descent Imager Target entity description: Mars Descent Imager is a camera system on NASA's Curiosity rover designed to capture high-resolution video of the Martian surface during the rover’s descent and landing.
-
A.
Mars Environmental Dynamics Analyzer
The Mars Environmental Dynamics Analyzer is a suite of weather instruments aboard NASA's Perseverance rover that measures atmospheric conditions and dust on the Martian surface.
-
B.
Mars Colour Camera
The Mars Colour Camera is an imaging instrument aboard India's Mars Orbiter Mission designed to capture color photographs of Mars’ surface and its surroundings.
-
C.
Mastcam
Mastcam is the main color imaging camera system on NASA's Curiosity Mars rover, used to capture high-resolution photos and videos of the Martian surface for scientific analysis and mission navigation.
-
D.
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.
-
E.
Miniature Thermal Emission Spectrometer
The Miniature Thermal Emission Spectrometer is a compact infrared instrument used on NASA’s Mars Exploration Rovers to analyze the mineral composition and thermal properties of Martian rocks and soil.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Curiosity rover instrument
ⓘ
camera system ⓘ descent imaging system ⓘ spacecraft instrument ⓘ |
| alternateName | MARDI ⓘ |
| associatedCrater | Gale Crater ⓘ |
| capturedEvent |
Curiosity rover landing sequence
ⓘ
final descent over Gale Crater ⓘ |
| communicationLink | Curiosity rover onboard computer ⓘ |
| countryOfOperator |
United States
ⓘ
linked to:
United States of America
|
| dataDownlinkPath | Curiosity rover to Mars orbiters to Earth ⓘ |
| dataType |
still images
ⓘ
video frames ⓘ |
| dataUsers |
Mars Science Laboratory science team
ⓘ
linked to:
Curiosity rover science team
|
| designedFor |
entry descent and landing phase
ⓘ
surface mapping near landing site ⓘ |
| developer | Malin Space Science Systems ⓘ |
| environment |
Mars surface conditions
ⓘ
Martian atmosphere ⓘ |
| fieldOfView | approximately 90 degrees ⓘ |
| fundedBy |
NASA Mars Exploration Program
ⓘ
linked to:
Mars Exploration Program
|
| hostBody | Mars ⓘ |
| imageResolution | high-resolution relative to descent altitude ⓘ |
| imageSensorType | digital camera sensor ⓘ |
| landingDate | 2012-08-06 ⓘ |
| landingSiteImaged | Gale Crater ⓘ |
| launchDate | 2011-11-26 ⓘ |
| locationOnSpacecraft | Curiosity rover front belly ⓘ |
| manufacturer | Malin Space Science Systems ⓘ |
| mission | Mars Science Laboratory ⓘ |
| missionAgency | NASA ⓘ |
| namedAfter | its function as a descent imager ⓘ |
| operator |
Jet Propulsion Laboratory
ⓘ
NASA ⓘ |
| partOf |
Curiosity rover payload
ⓘ
Mars Science Laboratory mission ⓘ
linked to:
Mars Science Laboratory
|
| powerSource | Curiosity rover electrical system ⓘ |
| primaryFunction |
aid in landing site characterization
ⓘ
image Martian surface during descent ⓘ provide high-resolution video of landing site ⓘ |
| scienceObjective |
context imaging of landing site geology
ⓘ
support hazard assessment around landing area ⓘ |
| spacecraft | Curiosity rover ⓘ |
| spectralBand | visible light ⓘ |
| status | operational at landing ⓘ |
| statusAfterLanding | used for limited surface imaging ⓘ |
| targetBody | Mars surface ⓘ |
| usedOnMissionPhase | powered on during final descent ⓘ |
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 Descent Imager Description of subject: Mars Descent Imager is a camera system on NASA's Curiosity rover designed to capture high-resolution video of the Martian surface during the rover’s descent and landing.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mars Descent Imager