Schwarzschild crater

E70356

lunar impact crater lunar surface feature

Schwarzschild crater is a large impact crater on the far side of the Moon, notable for its heavily eroded rim and complex interior features.

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All labels observed (7)

Label	Occurrences
Schwarzschild (lunar crater)	40
Schwarzschild crater system	14
Schwarzschild (crater)	13
Schwarzschild (lunar walled plain)	2
Schwarzschild (crater) system	1
Schwarzschild crater canonical	1
Schwarzschild crater on the Moon	1

How this entity was disambiguated

This entity first appeared as the object of triple T561923 — 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: Schwarzschild crater
Context triple: [Karl Schwarzschild, namedAfter, Schwarzschild crater]

A. Gagarin crater on the Moon
Gagarin crater on the Moon is a large lunar impact crater on the Moon’s far side named in honor of Soviet cosmonaut Yuri Gagarin, the first human in space.
B. Crater
Crater is a historic district and port area in the city of Aden, Yemen, known for its location within an ancient volcanic crater and its role as a commercial and administrative center.
C. Vredefort Dome
Vredefort Dome is the world’s largest and oldest known impact crater, located in South Africa and formed by a massive meteorite strike over two billion years ago.
D. Chicxulub impact crater
The Chicxulub impact crater is a massive buried structure in Mexico’s Yucatán Peninsula formed by an asteroid impact widely linked to the mass extinction event that wiped out the non-avian dinosaurs.
E. Punchbowl Crater
Punchbowl Crater is an extinct volcanic tuff cone on the island of Oahu, best known as the site of the National Memorial Cemetery of the Pacific.
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: Schwarzschild crater
Target entity description: Schwarzschild crater is a large impact crater on the far side of the Moon, notable for its heavily eroded rim and complex interior features.

A. Gagarin crater on the Moon
Gagarin crater on the Moon is a large lunar impact crater on the Moon’s far side named in honor of Soviet cosmonaut Yuri Gagarin, the first human in space.
B. Crater
Crater is a historic district and port area in the city of Aden, Yemen, known for its location within an ancient volcanic crater and its role as a commercial and administrative center.
C. Vredefort Dome
Vredefort Dome is the world’s largest and oldest known impact crater, located in South Africa and formed by a massive meteorite strike over two billion years ago.
D. Chicxulub impact crater
The Chicxulub impact crater is a massive buried structure in Mexico’s Yucatán Peninsula formed by an asteroid impact widely linked to the mass extinction event that wiped out the non-avian dinosaurs.
E. Punchbowl Crater
Punchbowl Crater is an extinct volcanic tuff cone on the island of Oahu, best known as the site of the National Memorial Cemetery of the Pacific.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	lunar impact crater ⓘ lunar surface feature ⓘ
diameter	~207 km ⓘ
eponym	Karl Schwarzschild ⓘ
formationType	impact event ⓘ
hasAge	pre-Nectarian or Nectarian (heavily eroded) ⓘ
hasAlbedo	low ⓘ
hasColongitude	~186 ⓘ
hasFloor	relatively level but marked by impacts ⓘ
hasInnerWall	slumped and terraced in places ⓘ
hasInteriorFeatures	central ridges and irregularities ⓘ complex interior ⓘ multiple smaller craters on floor ⓘ
hasLatitude	~73.0° N ⓘ
hasLongitude	~132.0° E ⓘ
hasObservationMethod	Apollo mission photography ⓘ lunar orbiter imaging ⓘ
hasOuterWall	deeply worn and rounded ⓘ
hasQuadrangle	lunar far side northern hemisphere ⓘ
hasRimCondition	heavily eroded rim ⓘ
hasRimShape	irregular and polygonal ⓘ
hasSatelliteCrater	Schwarzschild A ⓘ Schwarzschild B ⓘ Schwarzschild C ⓘ Schwarzschild D ⓘ Schwarzschild E ⓘ Schwarzschild F ⓘ Schwarzschild G ⓘ Schwarzschild K ⓘ Schwarzschild L ⓘ Schwarzschild M ⓘ Schwarzschild N ⓘ Schwarzschild Q ⓘ Schwarzschild S ⓘ Schwarzschild T ⓘ Schwarzschild U ⓘ Schwarzschild V ⓘ Schwarzschild W ⓘ Schwarzschild X ⓘ Schwarzschild Y ⓘ
hasWornTerraces	yes ⓘ
isCataloguedIn	IAU lunar nomenclature ⓘ
isOverlainBy	numerous smaller impact craters ⓘ
isVisibleFromEarth	no ⓘ
liesOn	lunar far-side highlands ⓘ
locatedOn	Moon ⓘ
locatedOnSideOfMoon	far side ⓘ
namedAfter	Karl Schwarzschild ⓘ

How these facts were elicited