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OB association |
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OB association [¦ō′bē ə‚sō·sē′ā·shən] (astronomy) A grouping of very young, very hot massive stars of spectral types O and B that has not had time to disperse. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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nbsp;(Sco-Cen) OB association, weigh several times as much as the sun. |
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