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node cycle |
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node cycle [′nōd ‚sī·kəl]
(astronomy) The period of time needed for the regression of the moon's nodes to conclude a circuit of 360° of longitude; approximately equal to 18.61 Julian years. 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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