Hover or tap underlined Spanish terms to see their translation and exam tip.
Si conocemos el horario en Greenwich de una estrella (HG*) y también conocemos nuestra longitud (al Este o al Oeste), podemos calcular un ángulo del triángulo de posición que es:If we know a star’s Greenwich hour angle and our longitude (east or west), we can calculate an angle of the position triangle, which is:
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Correct answer: d) Answers a and b are correct.
Why it is correct
It is the meridian angle, which can be east or west.
Why the others are not
- a) Correct, but not the only one.
- b) Correct, but not the only one.
- c) Every body has one.
How to work it out in the exam
- Greenwich hour angle + longitude: P.
Where this question comes from
- Región de Murcia · 2019 · 2ª convocatoria · CY Tipo 1 · question 9 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.