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| abstraction > mathematical concept > number > quantity > equatorial sky area > constellation > Corona Borealis | 
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| Corona Borealis (Northern Crown, CrB) | ||||
| subject | fact | |||
| Corona Borealis | is a part of celestial sphere |  | 
| has genitive Coronae Borealis |  | |
| has boundary  |  | |
| has synonym Northern Crown |  | |
| has acronym CrB |  | |
| is an instance of constellation |  | |
| constellation | is a part of celestial sphere |  | 
| has component asterism |  | |
| has historical origin asterism with pictorial or mythical significance |  | |
| has purpose to divide the celestial sphere into small visually recognizable star classification regions |  | |
| equatorial sky area | is defined using equatorial coordinates |  | 
| quantity | has unit |  | 
| number | has value |  |