Hover or tap underlined Spanish terms to see their translation and exam tip.
La luz zodiacal es un fenómeno óptico de la atmosfera que consiste en un resplandor o claridad en el cielo durante el crepúsculo astronómico, esto ocurre cuando:Zodiacal light is an optical glow in the sky during astronomical twilight. It occurs when:
Show the answer
Correct answer: c) The sun is about 18º below the horizon in either twilight.
Why it is correct
Zodiacal light shows with the Sun about 18º below the horizon, at the end of astronomical twilight. With the Sun up it cannot be seen.
Why the others are not
- a) The Sun hides it.
- b) The Sun hides it.
- d) It is at twilight.
How to work it out in the exam
- Zodiacal light: Sun at −18º.
Where this question comes from
- Región de Murcia · 2023 · 2ª convocatoria · CY Tipo 1 · question 25 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.