Lassell crater on the Moon
E622654
Lassell crater on the Moon is a lunar impact crater named in honor of the 19th-century English astronomer William Lassell, known for his discoveries of several planetary moons.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lassell crater on the Moon canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6837313 — 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: Lassell crater on the Moon Context triple: [William Lassell, hasNamesake, Lassell crater on the Moon]
-
A.
McNair crater on the Moon
McNair crater on the Moon is a lunar impact crater named in honor of astronaut and physicist Ronald McNair, one of the crew members who died in the 1986 Space Shuttle Challenger disaster.
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B.
Lomonosov crater on the Moon
Lomonosov crater on the Moon is a lunar impact crater named in honor of Russian polymath Mikhail Lomonosov, recognized for its location on the Moon’s far side and its relatively well-preserved structure.
-
C.
von Kármán crater on the Moon
Von Kármán crater on the Moon is a large impact crater on the lunar far side, notable as the landing site of China’s Chang’e 4 mission and named in honor of aerospace engineer Theodore von Kármán.
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D.
Copernicus Crater on the Moon
Copernicus Crater on the Moon is a prominent, relatively young lunar impact crater in the Moon’s eastern Oceanus Procellarum region, named in honor of the Renaissance astronomer Nicolaus Copernicus.
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E.
Murchison crater (Moon)
Murchison crater (Moon) is a large, ancient impact crater on the Moon’s near side, notable for its heavily eroded walls and partially flooded floor.
- 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: Lassell crater on the Moon Target entity description: Lassell crater on the Moon is a lunar impact crater named in honor of the 19th-century English astronomer William Lassell, known for his discoveries of several planetary moons.
-
A.
McNair crater on the Moon
McNair crater on the Moon is a lunar impact crater named in honor of astronaut and physicist Ronald McNair, one of the crew members who died in the 1986 Space Shuttle Challenger disaster.
-
B.
Lomonosov crater on the Moon
Lomonosov crater on the Moon is a lunar impact crater named in honor of Russian polymath Mikhail Lomonosov, recognized for its location on the Moon’s far side and its relatively well-preserved structure.
-
C.
von Kármán crater on the Moon
Von Kármán crater on the Moon is a large impact crater on the lunar far side, notable as the landing site of China’s Chang’e 4 mission and named in honor of aerospace engineer Theodore von Kármán.
-
D.
Copernicus Crater on the Moon
Copernicus Crater on the Moon is a prominent, relatively young lunar impact crater in the Moon’s eastern Oceanus Procellarum region, named in honor of the Renaissance astronomer Nicolaus Copernicus.
-
E.
Murchison crater (Moon)
Murchison crater (Moon) is a large, ancient impact crater on the Moon’s near side, notable for its heavily eroded walls and partially flooded floor.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | lunar impact crater ⓘ |
| eponym | William Lassell NERFINISHED ⓘ |
| eponymCentury | 19th century ⓘ |
| eponymNationality | English ⓘ |
| hasAlbedo | low ⓘ |
| hasColongitude | 8 ⓘ |
| hasDepth | 1.8 km ⓘ |
| hasDiameter | 24 km ⓘ |
| hasEponymProfession | astronomer ⓘ |
| hasInterior | lava-flooded floor ⓘ |
| hasRimCondition | worn ⓘ |
| hasSatelliteCrater |
Lassell A
NERFINISHED
ⓘ
Lassell B NERFINISHED ⓘ Lassell C NERFINISHED ⓘ Lassell D NERFINISHED ⓘ Lassell E NERFINISHED ⓘ Lassell F NERFINISHED ⓘ Lassell G NERFINISHED ⓘ Lassell H NERFINISHED ⓘ Lassell J NERFINISHED ⓘ Lassell K NERFINISHED ⓘ Lassell L NERFINISHED ⓘ Lassell M NERFINISHED ⓘ Lassell N NERFINISHED ⓘ Lassell P NERFINISHED ⓘ Lassell Q NERFINISHED ⓘ Lassell R NERFINISHED ⓘ Lassell S NERFINISHED ⓘ Lassell T NERFINISHED ⓘ Lassell U NERFINISHED ⓘ Lassell V NERFINISHED ⓘ Lassell W NERFINISHED ⓘ Lassell X NERFINISHED ⓘ Lassell Y NERFINISHED ⓘ Lassell Z NERFINISHED ⓘ |
| hasSelenographicLatitude | −17.9° ⓘ |
| hasSelenographicLongitude | −8.9° ⓘ |
| hasShape | irregular ⓘ |
| liesNorthOf | Guillaume (lunar crater) NERFINISHED ⓘ |
| liesSouthOf |
Alpetragius (lunar crater)
NERFINISHED
ⓘ
Arzachel (lunar crater) NERFINISHED ⓘ |
| liesWestOf | Thebit (lunar crater) NERFINISHED ⓘ |
| locatedIn | Mare Nubium NERFINISHED ⓘ |
| locatedOn |
Moon
NERFINISHED
ⓘ
near side of the Moon ⓘ |
| namedAfter | William Lassell NERFINISHED ⓘ |
| namedBy | International Astronomical Union NERFINISHED ⓘ |
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: Lassell crater on the Moon Description of subject: Lassell crater on the Moon is a lunar impact crater named in honor of the 19th-century English astronomer William Lassell, known for his discoveries of several planetary moons.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.