Lunar Seismic Profiling Experiment
E239139
The Lunar Seismic Profiling Experiment was a geophysical investigation deployed during Apollo 17 to study the Moon’s shallow subsurface structure by recording seismic waves from controlled explosive charges.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lunar Seismic Profiling Experiment canonical | 2 |
| Active Seismic Experiment | 1 |
| Lunar Seismic Profiling | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2169256 — 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: Lunar Seismic Profiling Experiment Context triple: [Apollo 17, notableExperiment, Lunar Seismic Profiling Experiment]
-
A.
Luna 11
Luna 11 was a Soviet unmanned spacecraft from the Luna program, launched in 1966 to study the Moon from lunar orbit.
-
B.
Luna 10
Luna 10 was a Soviet spacecraft that became the first artificial satellite to orbit the Moon, marking a major milestone in early lunar exploration.
-
C.
SLIM lunar lander
The SLIM lunar lander is a Japanese spacecraft designed by JAXA to demonstrate high-precision, lightweight landing technology on the Moon’s surface.
-
D.
Luna 3
Luna 3 was a Soviet spacecraft launched in 1959 that became the first mission to photograph the far side of the Moon.
-
E.
Luna 9
Luna 9 was a Soviet spacecraft that achieved the first successful soft landing on the Moon and transmitted the first close-up images of the lunar surface in 1966.
- 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: Lunar Seismic Profiling Experiment Target entity description: The Lunar Seismic Profiling Experiment was a geophysical investigation deployed during Apollo 17 to study the Moon’s shallow subsurface structure by recording seismic waves from controlled explosive charges.
-
A.
Luna 11
Luna 11 was a Soviet unmanned spacecraft from the Luna program, launched in 1966 to study the Moon from lunar orbit.
-
B.
Luna 10
Luna 10 was a Soviet spacecraft that became the first artificial satellite to orbit the Moon, marking a major milestone in early lunar exploration.
-
C.
SLIM lunar lander
The SLIM lunar lander is a Japanese spacecraft designed by JAXA to demonstrate high-precision, lightweight landing technology on the Moon’s surface.
-
D.
Luna 3
Luna 3 was a Soviet spacecraft launched in 1959 that became the first mission to photograph the far side of the Moon.
-
E.
Luna 9
Luna 9 was a Soviet spacecraft that achieved the first successful soft landing on the Moon and transmitted the first close-up images of the lunar surface in 1966.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Apollo experiment
ⓘ
lunar geophysical experiment ⓘ seismological experiment ⓘ |
| abbreviation | LSPE ⓘ |
| alsoKnownAs |
LSPE
ⓘ
Lunar Seismic Profiling ⓘ
linked to:
Lunar Seismic Profiling Experiment
|
| appliedTo |
lunar mare and highland boundary at Taurus–Littrow
ⓘ
lunar regolith ⓘ |
| dataType |
amplitudes of seismic arrivals
ⓘ
seismic waveforms ⓘ travel times of seismic waves ⓘ |
| deployedBy |
Apollo 17 astronauts
ⓘ
linked to:
Apollo 17
Eugene Cernan ⓘ Harrison Schmitt ⓘ
linked to:
Harrison H. Schmitt
|
| deploymentBody | Moon ⓘ |
| deploymentDate | December 1972 ⓘ |
| deploymentSite | Taurus–Littrow valley ⓘ |
| developedBy |
United States
ⓘ
linked to:
United States of America
|
| found |
evidence for fractured material overlying more competent substrate
ⓘ
increase of seismic velocity with depth ⓘ low seismic velocities in upper lunar regolith ⓘ |
| measured |
P-wave velocities in lunar near-surface
ⓘ
S-wave velocities in lunar near-surface ⓘ layering of lunar regolith ⓘ seismic attenuation in lunar regolith ⓘ thickness of lunar regolith at Taurus–Littrow ⓘ |
| objective |
determine seismic velocities in the lunar regolith and underlying layers
ⓘ
measure attenuation of seismic waves in the lunar near-surface ⓘ study the Moon’s shallow subsurface structure ⓘ |
| operatedDuring |
Apollo 17 surface mission
ⓘ
linked to:
Apollo 17
|
| partOf |
Apollo 17 mission
ⓘ
linked to:
Apollo 17
Apollo Lunar Surface Experiments Package ⓘ |
| relatedTo |
Active Seismic Experiment
ⓘ
linked to:
Lunar Seismic Profiling Experiment
Passive Seismic Experiment ⓘ |
| resultedIn |
constraints on mechanical properties of lunar near-surface materials
ⓘ
models of shallow lunar crustal structure at Apollo 17 site ⓘ |
| scientificDiscipline |
geophysics
ⓘ
planetary science ⓘ seismology ⓘ |
| sponsoredBy | NASA ⓘ |
| usedInstrument |
central station electronics unit
ⓘ
explosive charges ⓘ geophone array ⓘ seismometer package ⓘ |
| usedMethod |
controlled-source seismology
ⓘ
seismic reflection ⓘ seismic refraction ⓘ |
| usedSource |
detonated explosive charges
ⓘ
larger explosive packages emplaced by astronauts ⓘ thumper charges placed at known distances ⓘ |
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: Lunar Seismic Profiling Experiment Description of subject: The Lunar Seismic Profiling Experiment was a geophysical investigation deployed during Apollo 17 to study the Moon’s shallow subsurface structure by recording seismic waves from controlled explosive charges.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lunar Seismic Profiling Experiment
linked to: Lunar Seismic Profiling Experiment