Hover or tap underlined Spanish terms to see their translation and exam tip.
El plano del círculo máximo que es perpendicular por el centro del eje cenit - nadir con respecto a un observador y se forma en el centro de la esfera celeste, es:The plane of the great circle perpendicular to the zenith-nadir axis at the centre of the celestial sphere is:
Show the answer
Correct answer: b) The true or rational horizon.
Why it is correct
It passes through the centre of the sphere: the true or rational horizon.
Why the others are not
- a) That is the one seen at sea.
- c) It passes through the observer’s eye.
- d) No such term exists.
How to work it out in the exam
- Through the centre: true.
Where this question comes from
- Región de Murcia · 2019 · 3ª convocatoria · CY Tipo 1 · question 6 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.