dcterms modified | ![]() ![]() |
||||||
---|---|---|---|---|---|---|---|
broader |
|
||||||
definition | A loosely bound grouping of O and B stars that typically stretches up to several hundred light-years and may contain between a dozen and several hundred O stars and B stars. The members of an OB association are young and of roughly the same age. OB associations dissipate in a few tens of millions of years. | ||||||
type |
|
||||||
contributor | AAS_Frey.Katie_Admin original |