Spanish original · English

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

Para un observador en latitud 25º S, ¿qué astros son anticircumpolares (altura siempre ≤ 0º)?For an observer at 25ºS, which bodies never rise (altitude always ≤ 0º)?

Show the answer

Correct answer: d) Declinations between 65ºN and 90ºN

Why it is correct

Bodies never rise if their contrary declination exceeds 90º − 25º = 65º. For a southern observer, that is beyond 65ºN.

Why the others are not

  • a) Many of those rise.
  • b) Those rise.
  • c) It includes rising bodies.

How to work it out in the exam

  1. Never rises: contrary dec > 90º − lat.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.