Spanish original · English

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

Los círculos menores de la esfera celeste que son paralelos al horizonte aparente de un observador, son:The small circles of the celestial sphere parallel to an observer’s apparent horizon are:

Show the answer

Correct answer: a) The almucantars.

Why it is correct

They are almucantars, circles of equal altitude.

Why the others are not

  • b) Those are parallels of declination.
  • c) They are measured on hour circles.
  • d) They are measured on hour circles.

How to work it out in the exam

  1. Parallel to the horizon: almucantar.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.