Lassell crater on Mars
E623146
Lassell crater on Mars is an impact crater named in honor of British astronomer William Lassell, known for his discoveries of several planetary moons.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lassell crater on Mars canonical | 1 |
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
Martian crater
ⓘ
impact crater ⓘ |
| eponymKnownFor |
discovery of Neptune's moon Triton
ⓘ
discovery of Uranus's moons Ariel and Umbriel ⓘ discovery of planetary moons ⓘ |
| eponymNationality | British ⓘ |
| hasBodyType | crater ⓘ |
| hasEponymOccupation | astronomer ⓘ |
| hasNamingAuthority | International Astronomical Union NERFINISHED ⓘ |
| hasSurfaceType | impact structure ⓘ |
| isPartOf | topography of Mars ⓘ |
| locatedIn | Martian surface ⓘ |
| locatedOn | Mars NERFINISHED ⓘ |
| namedAfter | William Lassell NERFINISHED ⓘ |
| orbitsWithPrimary | Sun via Mars ⓘ |
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 Mars Description of subject: Lassell crater on Mars is an impact crater named in honor of British 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.