- zenith tube
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a telescope mounted to point only at the zenith, used at some observatories for measuring time by the stars. Also called zenith telescope.[1830-40]
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Universalium. 2010.
zenith tube
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zenith tube — noun see zenith telescope * * * Astron. a telescope mounted to point only at the zenith, used at some observatories for measuring time by the stars. Also called zenith telescope. [1830 40] … Useful english dictionary
zenith tube — /ˈzɛnəθ tjub/ (say zenuhth tyoohb) noun a telescope mounted to point only at the zenith, used at observatories for taking time from the stars …
zenith telescope — noun or zenith tube : a telescope that is installed in a fixed vertical position so that it can be used only to observe stars crossing the meridian near the zenith which is at the center of its field of view and that is used for precise time and… … Useful english dictionary
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List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general … Wikipedia
