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orbital node |
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orbital node [′ȯr·bəd·əl ′nōd]
(astronomy) One of the two points at which the orbit of a planet or satellite crosses the plane of the ecliptic or equator. 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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