REX
E145771
REX is a radio science experiment instrument aboard NASA's New Horizons spacecraft used to study the atmospheres and surfaces of planetary bodies through radio signal measurements.
All labels observed (1)
| Label | Occurrences |
|---|---|
| REX canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T1274768 — 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: REX Context triple: [New Horizons, instrument, REX]
-
A.
Blix
Blix is a Swedish surname most notably associated with Hans Blix, the former head of the International Atomic Energy Agency and UN weapons inspector.
-
B.
Rex Scottorum
Rex Scottorum is the Latin royal title meaning "King of the Scots," historically used by Scottish monarchs such as Alexander I.
-
C.
Roc
The Roc is a gigantic mythical bird from Middle Eastern folklore, famed for its immense size and strength, often appearing in tales such as the voyages of Sinbad the Sailor.
-
D.
Rae
Rae is a given name used across various cultures, often as a short form or variant of names like Rachel or Raymond.
-
E.
Reed
Reed is a given name and surname of English and Scottish origin, commonly associated with meanings related to red hair or a person living near reeds.
- 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: REX Target entity description: REX is a radio science experiment instrument aboard NASA's New Horizons spacecraft used to study the atmospheres and surfaces of planetary bodies through radio signal measurements.
-
A.
Blix
Blix is a Swedish surname most notably associated with Hans Blix, the former head of the International Atomic Energy Agency and UN weapons inspector.
-
B.
Rex Scottorum
Rex Scottorum is the Latin royal title meaning "King of the Scots," historically used by Scottish monarchs such as Alexander I.
-
C.
Roc
The Roc is a gigantic mythical bird from Middle Eastern folklore, famed for its immense size and strength, often appearing in tales such as the voyages of Sinbad the Sailor.
-
D.
Rae
Rae is a given name used across various cultures, often as a short form or variant of names like Rachel or Raymond.
-
E.
Reed
Reed is a given name and surname of English and Scottish origin, commonly associated with meanings related to red hair or a person living near reeds.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
radio science experiment instrument
ⓘ
scientific instrument ⓘ spacecraft instrument ⓘ |
| aboardSpacecraft | New Horizons ⓘ |
| acronymFor | Radio EXperiment ⓘ |
| collaboratingInstitution |
Johns Hopkins University Applied Physics Laboratory
ⓘ
NASA Jet Propulsion Laboratory ⓘ
linked to:
Jet Propulsion Laboratory
|
| dataType |
brightness temperature
ⓘ
occultation profiles ⓘ radio frequency data ⓘ |
| fullName | Radio EXperiment ⓘ |
| integratedWith | New Horizons radio system ⓘ |
| launchDate | 2006-01-19 ⓘ |
| launchVehicle | Atlas V 551 ⓘ |
| measurementType |
radio signal measurements
ⓘ
radiometric temperature measurements ⓘ uplink radio occultation ⓘ |
| mission |
New Horizons mission
ⓘ
linked to:
New Horizons
|
| missionPhaseUsed |
Kuiper Belt extended mission
ⓘ
linked to:
New Horizons
Pluto flyby ⓘ |
| onboard |
New Horizons telecommunications system
ⓘ
linked to:
New Horizons
|
| operatedBy | NASA ⓘ |
| partOf |
New Horizons science payload
ⓘ
linked to:
LORRI
|
| roleInMission |
remote sensing of atmospheric structure
ⓘ
remote sensing of surface thermal properties ⓘ |
| scientificObjective |
constrain surface composition and thermal inertia
ⓘ
determine atmospheric pressure at Pluto’s surface ⓘ determine temperature structure of Pluto’s atmosphere ⓘ measure surface emission from Pluto ⓘ search for an atmosphere around Charon ⓘ |
| signalPath | uplink from Earth to spacecraft ⓘ |
| signalSource | Earth-based radio transmitters ⓘ |
| spaceAgency | NASA ⓘ |
| spacecraftType | interplanetary probe ⓘ |
| studies |
atmospheres of planetary bodies
ⓘ
pressure profiles of planetary atmospheres ⓘ surfaces of planetary bodies ⓘ temperature profiles of planetary atmospheres ⓘ |
| targetBody |
Charon
ⓘ
Kuiper Belt objects ⓘ Pluto ⓘ |
| technique |
radio occultation
ⓘ
radiometry ⓘ |
| usedFor |
atmospheric studies
ⓘ
occultation experiments ⓘ radio science ⓘ radiometry ⓘ surface studies ⓘ |
| wavelengthBand | radio ⓘ |
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: REX Description of subject: REX is a radio science experiment instrument aboard NASA's New Horizons spacecraft used to study the atmospheres and surfaces of planetary bodies through radio signal measurements.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.