Hover or tap underlined Spanish terms to see their translation and exam tip.
Se define eclíptica como:In nautical astronomy, the ecliptic is defined as:
Show the answer
Correct answer: b) The apparent trajectory of the Sun on the celestial sphere.
Why it is correct
Because the Earth orbits the Sun once a year, from Earth the Sun appears to trace an annual path across the background stars; this apparent annual trajectory of the Sun on the celestial sphere is the ecliptic.
Why the others are not
- a) Omits that the Sun’s annual motion on the celestial sphere is apparent (a reflection of Earth’s orbital motion).
- c) The Sun’s annual circuit around the Earth is apparent, not real.
- d) The angle between the true horizon and the visible sea horizon is the dip of the horizon.
How to work it out in the exam
- Ecliptic: apparent annual trajectory of the Sun on the celestial sphere.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2019 · Convocatoria de junio · CY Test 1 · question 7 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2019 · Convocatoria de junio · CY Test 2 · question 6 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.