Hover or tap underlined Spanish terms to see their translation and exam tip.
El meridiano celeste que contiene al Zenit se le denomina:The celestial semicircle of the observer’s meridian that contains the Zenith is called the:
Show the answer
Correct answer: c) Observer’s upper meridian.
Why it is correct
The celestial axis divides the observer’s celestial meridian into two semicircles: the one containing the observer’s Zenith is the observer’s upper meridian, and the one containing the Nadir is the observer’s lower meridian.
Why the others are not
- a) 'Vertical meridian' is not a standard astronomical term.
- b) The observer’s lower meridian is the opposite semicircle containing the Nadir.
- d) The prime meridian is the Greenwich meridian.
How to work it out in the exam
- Celestial meridian semicircle containing the Zenith = observer’s upper meridian.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2021 · Convocatoria de febrero · CY Test 2 · question 4 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.