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circle of perpetual occultation |
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circle of perpetual occultation [′sər·kəl əv pər′pech·ə·wəl ‚äk·əl′tā·shən] (astronomy) That circle of the celestial sphere, centered on the polar axis and having a polar distance from the depressed pole approximately equal to the latitude of the observer, within which celestial bodies do not rise. 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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