Spanish original · English

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

Las coordenadas horizontales toman como círculo fundamental de referencia el:The horizontal coordinates take as their reference great circle the:

Show the answer

Correct answer: c) True horizon.

Why it is correct

Altitude and azimuth are measured from the true horizon.

Why the others are not

  • a) That is for latitude and longitude.
  • b) That is for equatorial coordinates.
  • d) The visible horizon is not a great circle.

How to work it out in the exam

  1. Horizontal: true horizon.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.