Spanish original · English

Hover or tap underlined Spanish terms to see their translation and exam tip.

El arco de meridiano contado desde la posición del observador en la esfera celeste, hasta su polo elevado, es:The arc of meridian counted from the observer’s position on the celestial sphere to the elevated pole is:

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Correct answer: d) All the answers above are correct.

Why it is correct

That arc, 90º minus latitude, is the colatitude and a side of the position triangle.

Why the others are not

  • a) Correct, but not the only one.
  • b) Correct, but not the only one.
  • c) Correct, but not the only one.

How to work it out in the exam

  1. Zenith to pole: colatitude.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.