Question

15. What is meant by zenith distance?​

Answer 1

Answer:

Zenith distance is 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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Answer 2

Answer:

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.