Coalsack Nebula (on its border)
E533145
Coalsack Nebula (on its border) is a prominent dark nebula visible to the naked eye in the southern sky, appearing as a large, starless patch silhouetted against the Milky Way.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Coalsack Nebula (on its border) canonical | 1 |
Statements (11)
| Predicate | Object |
|---|---|
| instanceOf | dark nebula ⓘ |
| appearsAs | large starless patch ⓘ |
| associatedWith | constellation Crux ⓘ |
| borderedBy | bright Milky Way star fields ⓘ |
| locatedIn | southern sky ⓘ |
| notableFor | high contrast dark region against bright Milky Way background ⓘ |
| observedAs | prominent dark patch in constellation Crux ⓘ |
| partOf | Milky Way galaxy NERFINISHED ⓘ |
| silhouettedAgainst | Milky Way NERFINISHED ⓘ |
| visibleFrom | Southern Hemisphere NERFINISHED ⓘ |
| visibleTo | naked eye ⓘ |
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: Coalsack Nebula (on its border) Description of subject: Coalsack Nebula (on its border) is a prominent dark nebula visible to the naked eye in the southern sky, appearing as a large, starless patch silhouetted against the Milky Way.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Southern Cross