Hover or tap underlined Spanish terms to see their translation and exam tip.
En la esfera celeste, cuando observamos un astro y le calculamos su altura verdadera, el arco de círculo máximo complementario que va desde ese astro hasta nuestro zenit es:On the celestial sphere, when we observe a body and find its true altitude, the complementary great-circle arc from the body to our zenith is:
Show the answer
Correct answer: b) The zenith distance.
Why it is correct
Zenith distance is 90º minus altitude. It runs from the body to the observer’s zenith.
Why the others are not
- a) It runs from body to pole.
- c) It runs from body to pole.
- d) Only b.
How to work it out in the exam
- z = 90º − altitude.
Where this question comes from
- Región de Murcia · 2023 · 3ª convocatoria · CY Tipo 1 · question 1 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.