Statements (12)
Predicate | Object |
---|---|
gptkbp:instanceOf |
stellar association
|
gptkbp:age |
approximately 3 million years
|
gptkbp:associatedWith |
gptkb:Cygnus_constellation
|
gptkbp:contains |
massive stars
|
gptkbp:established |
astronomers
|
gptkbp:hasFacilities |
several thousand solar masses
|
https://www.w3.org/2000/01/rdf-schema#label |
Cygnus OB28 association
|
gptkbp:includes |
gptkb:Cygnus_X-1
|
gptkbp:isPartOf |
Cygnus region
|
gptkbp:length |
approximately 1,200 light years
|
gptkbp:locatedIn |
Milky Way
|
gptkbp:type |
gptkb:OB_association
|