English
abbreviation
ZD
- zenith distanceref|Acronym_Finder
#:z_t is now ZD (true zenith distance)
#::--California Institute of Technologyref|California_Institute_of_Technology
#:limit in zenith distance ZD: ZD < 70°
#::--European Southern Observatoryref|European_Southern_Observatory
References
#note|Acronym_FinderAcronym Finder <http://www.acronymfinder.com/af-query.asp?Stringexact&AcronymZD&Find=Find> Accessed February 14, 2006.
#note|California_Institute_of_TechnologyCalifornia Institute of Technology <http://unagi.caltech.edu/notes/diff_refract/adr_rateofmotion.pro> Accessed 15 Feb. 2006.
#note|European_Southern_Observatory"HARPS: The 3.6m Telescope," European Southern Observatory <http://www.ls.eso.org/lasilla/sciops/3p6/harps/telescope.html> Accessed 15 Feb. 2006.
ru:ZD
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