Spanish original · English

Hover or tap underlined Spanish terms to see their translation and exam tip.

Los astros que tienen el mismo ángulo sidéreo:Bodies with the same sidereal hour angle:

Show the answer

Correct answer: a) Have the same right ascension

Why it is correct

SHA and right ascension are measured from Aries in opposite directions. If one matches, so does the other.

Why the others are not

  • b) Depends on declination.
  • c) Same hour circle, not vertical.
  • d) Only a.

How to work it out in the exam

  1. SHA = 360º − RA.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.