Hover or tap underlined Spanish terms to see their translation and exam tip.
Es el arco de semicírculo horario medido desde el ecuador hasta el astro:What is the arc of the hour semicircle measured from the celestial equator to the body?
Show the answer
Correct answer: b) The declination of the body.
Why it is correct
The declination (δ) of a celestial body is the arc of its hour semicircle measured from the celestial equator to the body, from 0° to 90° North (+) or South (−).
Why the others are not
- a) The vertical semicircle runs from zenith to nadir through the body.
- c) Azimuth is an arc of the horizon.
- d) Altitude is the arc of the vertical semicircle measured from the horizon to the body.
How to work it out in the exam
- Declination (δ): arc of the hour semicircle from the celestial equator to the body.
Where this question comes from
- Junta de Andalucía · 2021 · 1ª convocatoria · CY Módulo de navegación · question 6 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.