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El complemento de la altura verdadera que le tomamos a un astro sobre la Esfera celeste (90º-Av), esThe complement of the true altitude of a body on the celestial sphere (90º − true altitude) is:

Show the answer

Correct answer: b) The body’s zenith distance.

Why it is correct

From the zenith to the body is 90º minus the altitude.

Why the others are not

  • a) That is 90º minus declination.
  • c) That is 90º minus latitude.
  • d) It is measured on the horizon.

How to work it out in the exam

  1. z = 90º − a.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.