Copernican System of lunar stratigraphy
E373199
The Copernican System of lunar stratigraphy is the youngest major geologic time division on the Moon, characterized by relatively fresh impact craters with bright ray systems and minimal space weathering.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Copernican System of lunar stratigraphy canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3615057 — 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: Copernican System of lunar stratigraphy Context triple: [Kepler (lunar crater), belongsTo, Copernican System of lunar stratigraphy]
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A.
IAU lunar nomenclature
IAU lunar nomenclature is the official naming system established by the International Astronomical Union for identifying and standardizing the names of features on the Moon.
-
B.
Lunar Seismic Profiling Experiment
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.
-
C.
The Mare
The Mare is a literary work also known by its Yiddish title "Dos kleyne mentshele," reflecting themes of everyday life and human character.
-
D.
Lunar Atmospheric Composition Experiment
The Lunar Atmospheric Composition Experiment was a scientific instrument deployed during the Apollo 17 mission to measure and analyze the extremely tenuous lunar atmosphere.
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E.
An Inquiry into the Original State and Formation of the Earth
*An Inquiry into the Original State and Formation of the Earth* is an 18th-century geological treatise by John Whitehurst that explores the Earth's structure, history, and the processes that shaped it.
- 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: Copernican System of lunar stratigraphy Target entity description: The Copernican System of lunar stratigraphy is the youngest major geologic time division on the Moon, characterized by relatively fresh impact craters with bright ray systems and minimal space weathering.
-
A.
IAU lunar nomenclature
IAU lunar nomenclature is the official naming system established by the International Astronomical Union for identifying and standardizing the names of features on the Moon.
-
B.
Lunar Seismic Profiling Experiment
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.
-
C.
The Mare
The Mare is a literary work also known by its Yiddish title "Dos kleyne mentshele," reflecting themes of everyday life and human character.
-
D.
Lunar Atmospheric Composition Experiment
The Lunar Atmospheric Composition Experiment was a scientific instrument deployed during the Apollo 17 mission to measure and analyze the extremely tenuous lunar atmosphere.
-
E.
An Inquiry into the Original State and Formation of the Earth
*An Inquiry into the Original State and Formation of the Earth* is an 18th-century geological treatise by John Whitehurst that explores the Earth's structure, history, and the processes that shaped it.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
lunar geologic time system
ⓘ
stratigraphic system ⓘ |
| appliesTo | Moon ⓘ |
| associatedWith |
high optical maturity contrast between rays and background
ⓘ
post-mare impact cratering ⓘ |
| characterizedBy |
bright crater ray systems
ⓘ
minimal space weathering of surface materials ⓘ relatively fresh impact craters ⓘ |
| contrastedWith | older, more weathered lunar terrains ⓘ |
| definedBy |
lack of significant ray degradation
ⓘ
presence of high-albedo crater rays ⓘ |
| distinguishedFrom | Eratosthenian System by presence of bright rays ⓘ |
| follows | Eratosthenian System of lunar stratigraphy ⓘ |
| hasBoundaryCriterion | craters with rays that are still optically bright ⓘ |
| hasDeposits | fresh impact ejecta ⓘ |
| hasKeyIndicator |
persistence of bright rays over large distances
ⓘ
sharp crater morphologies ⓘ |
| hasRelativeAge | youngest lunar surface units ⓘ |
| hasSurfaceFeatureState | minimal smoothing by regolith processes ⓘ |
| hasSurfaceProperty | relatively high albedo compared to older units ⓘ |
| hasWeatheringState |
limited micrometeorite gardening effects
ⓘ
limited solar wind darkening ⓘ |
| includes |
their associated ray systems
ⓘ
young rayed craters ⓘ |
| isYoungestDivisionOf | major lunar geologic time divisions ⓘ |
| partOf | lunar geologic timescale ⓘ |
| usedFor |
correlating young lunar surface units
ⓘ
relative dating of lunar impact craters ⓘ |
| usedIn |
lunar geologic mapping
ⓘ
lunar stratigraphy ⓘ |
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: Copernican System of lunar stratigraphy Description of subject: The Copernican System of lunar stratigraphy is the youngest major geologic time division on the Moon, characterized by relatively fresh impact craters with bright ray systems and minimal space weathering.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.