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

El semicírculo que une a los Polos Norte y Sur de la Esfera celeste y pasa por el astro, se denominaThe semicircle joining the North and South Poles of the celestial sphere and passing through the body is called:

Show the answer

Correct answer: a) The body’s hour semicircle.

Why it is correct

It runs pole to pole through the body: the hour circle.

Why the others are not

  • b) Longitude is terrestrial.
  • c) Azimuth runs from zenith to nadir.
  • d) An almucantar is parallel to the horizon.

How to work it out in the exam

  1. Pole to pole: hour circle.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.