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¿Qué astros no se ven nunca desde Cádiz (36º 32' N 6º 18' W)?Which bodies are never seen from Cádiz (36º32′N 6º18′W)?

Show the answer

Correct answer: d) Those south of the declination parallel 53º28′S

Why it is correct

A body never rises if its contrary declination exceeds 90º minus latitude. 90º − 36º32′ = 53º28′S.

Why the others are not

  • a) Many are seen.
  • b) Those do rise.
  • c) Not a declination parallel.

How to work it out in the exam

  1. Never seen: dec > 90º − latitude.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.