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astronomical clock |
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astronomical clock [‚as·trə′näm·ə·kəl ′kläk] (horology) A clock that shows sidereal time. 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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Because they knew that the cycle lasts 21,000 years, the researchers could use this astronomical clock to time the shift in carbon isotopes. An automated lighting control system will turn activity lights on and off automatically according to user-defined time-of-day schedules or astronomical clock. 2) Prague's Astronomical Clock, which dates to 1410, puts on a show for tourists each hour in front of the Old Town Hall. |
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