Hover or tap underlined Spanish terms to see their translation and exam tip.
El tiempo que tarda la luna en volver a la misma fase se conoce como:The time taken by the Moon to return to the same phase is known as a:
Show the answer
Correct answer: b) Lunation (synodic month).
Why it is correct
The time interval between two successive identical phases of the Moon (for example, from one New Moon to the next) is called a lunation or synodic month, lasting about 29 days 12 hours 44 minutes (≈ 29.53 days).
Why the others are not
- a) New Moon is a specific phase, not the period between recurring phases.
- c) A sidereal revolution (≈ 27.32 days) is the time taken to return to the same position relative to the stars.
- d) Full Moon is a specific phase of the lunar cycle.
How to work it out in the exam
- Lunation (synodic month, ≈ 29.53 days): time taken by the Moon to return to the same phase.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2021 · Convocatoria de diciembre · CY Test 1 · question 2 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2021 · Convocatoria de diciembre · CY Test 3 · question 8 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.