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zenith distance

noun
variants: or zenith angle

Definition of zenith distance 

: the angular distance of a celestial object from the zenith measured by the arc of a vertical circle intercepted between the object and the zenith : the complement of the altitude

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Dictionary Entries near zenith distance

zenith

zenithal

zenithal equidistant projection

zenith distance

zenith eyepiece

zenith star

zenith telescope

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