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¿Cuándo el orto verdadero del Sol se produce exactamente por el punto cardinal Este?:When does the Sun’s true rising occur exactly at the east cardinal point?

Show the answer

Correct answer: d) At the equinoxes for any observer not at 90º

Why it is correct

At the equinoxes the Sun’s declination is zero and it rises due east. This holds at any latitude except the poles.

Why the others are not

  • a) It changes with declination.
  • b) It also depends on declination.
  • c) Then it rises further north or south.

How to work it out in the exam

  1. Equinox: rises due east.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.