Beagle 2 lander
E405594
Beagle 2 lander was a British-built Mars lander designed for the European Space Agency’s Mars Express mission to search for signs of past or present life on the Martian surface.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Beagle 2 lander canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4018004 — 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: Beagle 2 lander Context triple: [Mars Express, hasComponent, Beagle 2 lander]
-
A.
Mars Express
Mars Express is a European Space Agency spacecraft launched in 2003 to study Mars’ atmosphere, surface, and subsurface from orbit.
-
B.
InSight Mars lander
The InSight Mars lander was a NASA robotic mission designed to study the interior structure and seismic activity of Mars to better understand the formation and evolution of rocky planets.
-
C.
Rosalind Franklin rover
The Rosalind Franklin rover is a European Space Agency Mars exploration vehicle designed to search for signs of past or present life beneath the Martian surface.
-
D.
Hermes spacecraft
The Hermes spacecraft is the advanced interplanetary vessel in Andy Weir’s novel and its film adaptation "The Martian," used by NASA’s Ares crew for travel between Earth and Mars.
-
E.
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.
- 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: Beagle 2 lander Target entity description: Beagle 2 lander was a British-built Mars lander designed for the European Space Agency’s Mars Express mission to search for signs of past or present life on the Martian surface.
-
A.
Mars Express
Mars Express is a European Space Agency spacecraft launched in 2003 to study Mars’ atmosphere, surface, and subsurface from orbit.
-
B.
InSight Mars lander
The InSight Mars lander was a NASA robotic mission designed to study the interior structure and seismic activity of Mars to better understand the formation and evolution of rocky planets.
-
C.
Rosalind Franklin rover
The Rosalind Franklin rover is a European Space Agency Mars exploration vehicle designed to search for signs of past or present life beneath the Martian surface.
-
D.
Hermes spacecraft
The Hermes spacecraft is the advanced interplanetary vessel in Andy Weir’s novel and its film adaptation "The Martian," used by NASA’s Ares crew for travel between Earth and Mars.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Mars lander
ⓘ
planetary lander ⓘ space probe ⓘ |
| communicationMethod | UHF relay via Mars Express ⓘ |
| communicationStatus | no contact after landing attempt ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designedFor | in-situ analysis of Martian surface ⓘ |
| discoveryOfStatus | lander imaged on Martian surface in 2015 ⓘ |
| entryDescentLandingSystem | parachutes and airbags ⓘ |
| failureCause | incomplete deployment of solar panels ⓘ |
| fundedBy |
European Space Agency
ⓘ
UK government ⓘ |
| heatShield | aerothermal protection system for entry ⓘ |
| imagedBy |
Mars Reconnaissance Orbiter HiRISE camera
ⓘ
linked to:
HiRISE instrument
|
| landingDatePlanned | 2003-12-25 ⓘ |
| landingRegion |
Isidis Planitia
ⓘ
linked to:
Isidis Planitia region
|
| launchDate | 2003-06-02 ⓘ |
| launchSite | Baikonur Cosmodrome ⓘ |
| launchVehicle |
Soyuz-FG/Fregat
ⓘ
linked to:
Soyuz-Fregat
|
| manufacturer |
Astrium UK
ⓘ
linked to:
Astrium
|
| mass | about 69 kg ⓘ |
| missionDurationPlanned | 180 sols ⓘ |
| missionProgram |
European Space Agency Mars exploration program
ⓘ
linked to:
ExoMars programme
|
| missionType | Mars lander ⓘ |
| namedAfter | HMS Beagle ⓘ |
| notable | first British-built Mars lander ⓘ |
| operator |
European Space Agency
ⓘ
UK Space Agency ⓘ |
| partOfMission | Mars Express ⓘ |
| powerSource | solar panels ⓘ |
| primaryObjective |
search for signs of past life on Mars
ⓘ
search for signs of present life on Mars ⓘ |
| projectLeader | Colin Pillinger ⓘ |
| scienceInstruments |
Mössbauer spectrometer
ⓘ
linked to:
Mössbauer Spectrometer
PAW (Position Adjustable Workbench) ⓘ X-ray spectrometer ⓘ gas analysis package ⓘ imaging system ⓘ microscope ⓘ |
| scientificGoal |
characterize Martian surface mineralogy
ⓘ
detect organic compounds on Mars ⓘ |
| secondaryObjective |
study Martian atmosphere
ⓘ
study Martian geology ⓘ |
| shape | disc-shaped lander ⓘ |
| spacecraftBus | Mars Express piggyback payload ⓘ |
| spacecraftComponentOf | Mars Express mission payload ⓘ |
| status | mission failure (partial success discovered later) ⓘ |
| targetBody | Mars ⓘ |
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: Beagle 2 lander Description of subject: Beagle 2 lander was a British-built Mars lander designed for the European Space Agency’s Mars Express mission to search for signs of past or present life on the Martian surface.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.