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U Cephei |
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U Cephei [′yü ′sef·ē‚ī]
(astronomy) A binary star; in this double-star eclipsing system, one component has reached its Roche limit (a dynamical barrier beyond which the size of neither star can expand) while the other is distinctly smaller than this limit. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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